20618385200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8276

約数の個数: 240

約数和(自身を含む): 60460892160

約数和(自身を除く): 39842506960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 31, 35, 40, 50, 56, 58, 62, 70, 80, 100, 112, 116, 124, 140, 145, 155, 175, 200, 203, 217, 232, 248, 280, 290, 310, 350, 400, 406, 434, 464, 496, 560, 580, 620, 700, 725, 775, 812, 868, 899, 1015, 1085, 1160, 1240, 1400, 1450, 1550, 1624, 1736, 1798, 2030, 2170, 2320, 2480, 2800, 2900, 3100, 3248, 3472, 3596, 4060, 4340, 4495, 5075, 5425, 5800, 6200, 6293, 7192, 8120, 8191, 8680, 8990, 10150, 10850, 11600, 12400, 12586, 14384, 16240, 16382, 17360, 17980, 20300, 21700, 22475, 25172, 31465, 32764, 35960, 40600, 40955, 43400, 44950, 50344, 57337, 62930, 65528, 71920, 81200, 81910, 86800, 89900, 100688, 114674, 125860, 131056, 157325, 163820, 179800, 204775, 229348, 237539, 251720, 253921, 286685, 314650, 327640, 359600, 409550, 458696, 475078, 503440, 507842, 573370, 629300, 655280, 819100, 917392, 950156, 1015684, 1146740, 1187695, 1258600, 1269605, 1433425, 1638200, 1662773, 1777447, 1900312, 2031368, 2293480, 2375390, 2517200, 2539210, 2866850, 3276400, 3325546, 3554894, 3800624, 4062736, 4586960, 4750780, 5078420, 5733700, 5938475, 6348025, 6651092, 7109788, 7363709, 8313865, 8887235, 9501560, 10156840, 11467400, 11876950, 12696050, 13302184, 14219576, 14727418, 16627730, 17774470, 19003120, 20313680, 22934800, 23753900, 25392100, 26604368, 28439152, 29454836, 33255460, 35548940, 36818545, 41569325, 44436175, 47507800, 50784200, 51545963, 58909672, 66510920, 71097880, 73637090, 83138650, 88872350, 95015600, 101568400, 103091926, 117819344, 133021840, 142195760, 147274180, 166277300, 177744700, 184092725, 206183852, 257729815, 294548360, 332554600, 355489400, 368185450, 412367704, 515459630, 589096720, 665109200, 710978800, 736370900, 824735408, 1030919260, 1288649075, 1472741800, 2061838520, 2577298150, 2945483600, 4123677040, 5154596300, 10309192600, 20618385200]

約数ペア:

[(1, 20618385200), (2, 10309192600), (4, 5154596300), (5, 4123677040), (7, 2945483600), (8, 2577298150), (10, 2061838520), (14, 1472741800), (16, 1288649075), (20, 1030919260), (25, 824735408), (28, 736370900), (29, 710978800), (31, 665109200), (35, 589096720), (40, 515459630), (50, 412367704), (56, 368185450), (58, 355489400), (62, 332554600), (70, 294548360), (80, 257729815), (100, 206183852), (112, 184092725), (116, 177744700), (124, 166277300), (140, 147274180), (145, 142195760), (155, 133021840), (175, 117819344), (200, 103091926), (203, 101568400), (217, 95015600), (232, 88872350), (248, 83138650), (280, 73637090), (290, 71097880), (310, 66510920), (350, 58909672), (400, 51545963), (406, 50784200), (434, 47507800), (464, 44436175), (496, 41569325), (560, 36818545), (580, 35548940), (620, 33255460), (700, 29454836), (725, 28439152), (775, 26604368), (812, 25392100), (868, 23753900), (899, 22934800), (1015, 20313680), (1085, 19003120), (1160, 17774470), (1240, 16627730), (1400, 14727418), (1450, 14219576), (1550, 13302184), (1624, 12696050), (1736, 11876950), (1798, 11467400), (2030, 10156840), (2170, 9501560), (2320, 8887235), (2480, 8313865), (2800, 7363709), (2900, 7109788), (3100, 6651092), (3248, 6348025), (3472, 5938475), (3596, 5733700), (4060, 5078420), (4340, 4750780), (4495, 4586960), (5075, 4062736), (5425, 3800624), (5800, 3554894), (6200, 3325546), (6293, 3276400), (7192, 2866850), (8120, 2539210), (8191, 2517200), (8680, 2375390), (8990, 2293480), (10150, 2031368), (10850, 1900312), (11600, 1777447), (12400, 1662773), (12586, 1638200), (14384, 1433425), (16240, 1269605), (16382, 1258600), (17360, 1187695), (17980, 1146740), (20300, 1015684), (21700, 950156), (22475, 917392), (25172, 819100), (31465, 655280), (32764, 629300), (35960, 573370), (40600, 507842), (40955, 503440), (43400, 475078), (44950, 458696), (50344, 409550), (57337, 359600), (62930, 327640), (65528, 314650), (71920, 286685), (81200, 253921), (81910, 251720), (86800, 237539), (89900, 229348), (100688, 204775), (114674, 179800), (125860, 163820), (131056, 157325)]