20320300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 62339760

約数和(自身を除く): 42019460

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 29, 35, 44, 49, 50, 52, 55, 58, 65, 70, 77, 91, 98, 100, 110, 116, 130, 140, 143, 145, 154, 175, 182, 196, 203, 220, 245, 260, 275, 286, 290, 308, 319, 325, 350, 364, 377, 385, 406, 455, 490, 539, 550, 572, 580, 637, 638, 650, 700, 715, 725, 754, 770, 812, 910, 980, 1001, 1015, 1078, 1100, 1225, 1274, 1276, 1300, 1421, 1430, 1450, 1508, 1540, 1595, 1820, 1885, 1925, 2002, 2030, 2156, 2233, 2275, 2450, 2548, 2639, 2695, 2842, 2860, 2900, 3185, 3190, 3575, 3770, 3850, 4004, 4060, 4147, 4466, 4550, 4900, 5005, 5075, 5278, 5390, 5684, 6370, 6380, 7007, 7105, 7150, 7540, 7700, 7975, 8294, 8932, 9100, 9425, 10010, 10150, 10556, 10780, 11165, 12740, 13195, 13475, 14014, 14210, 14300, 15631, 15925, 15950, 16588, 18473, 18850, 20020, 20300, 20735, 22330, 25025, 26390, 26950, 28028, 28420, 29029, 31262, 31850, 31900, 35035, 35525, 36946, 37700, 41470, 44660, 50050, 52780, 53900, 55825, 58058, 62524, 63700, 65975, 70070, 71050, 73892, 78155, 82940, 92365, 100100, 103675, 111650, 116116, 131950, 140140, 142100, 145145, 156310, 175175, 184730, 203203, 207350, 223300, 263900, 290290, 312620, 350350, 369460, 390775, 406406, 414700, 461825, 580580, 700700, 725725, 781550, 812812, 923650, 1016015, 1451450, 1563100, 1847300, 2032030, 2902900, 4064060, 5080075, 10160150, 20320300]

約数ペア:

[(1, 20320300), (2, 10160150), (4, 5080075), (5, 4064060), (7, 2902900), (10, 2032030), (11, 1847300), (13, 1563100), (14, 1451450), (20, 1016015), (22, 923650), (25, 812812), (26, 781550), (28, 725725), (29, 700700), (35, 580580), (44, 461825), (49, 414700), (50, 406406), (52, 390775), (55, 369460), (58, 350350), (65, 312620), (70, 290290), (77, 263900), (91, 223300), (98, 207350), (100, 203203), (110, 184730), (116, 175175), (130, 156310), (140, 145145), (143, 142100), (145, 140140), (154, 131950), (175, 116116), (182, 111650), (196, 103675), (203, 100100), (220, 92365), (245, 82940), (260, 78155), (275, 73892), (286, 71050), (290, 70070), (308, 65975), (319, 63700), (325, 62524), (350, 58058), (364, 55825), (377, 53900), (385, 52780), (406, 50050), (455, 44660), (490, 41470), (539, 37700), (550, 36946), (572, 35525), (580, 35035), (637, 31900), (638, 31850), (650, 31262), (700, 29029), (715, 28420), (725, 28028), (754, 26950), (770, 26390), (812, 25025), (910, 22330), (980, 20735), (1001, 20300), (1015, 20020), (1078, 18850), (1100, 18473), (1225, 16588), (1274, 15950), (1276, 15925), (1300, 15631), (1421, 14300), (1430, 14210), (1450, 14014), (1508, 13475), (1540, 13195), (1595, 12740), (1820, 11165), (1885, 10780), (1925, 10556), (2002, 10150), (2030, 10010), (2156, 9425), (2233, 9100), (2275, 8932), (2450, 8294), (2548, 7975), (2639, 7700), (2695, 7540), (2842, 7150), (2860, 7105), (2900, 7007), (3185, 6380), (3190, 6370), (3575, 5684), (3770, 5390), (3850, 5278), (4004, 5075), (4060, 5005), (4147, 4900), (4466, 4550)]