20732800

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 192

約数和(自身を含む): 60710400

約数和(自身を除く): 39977600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 31, 32, 38, 40, 44, 50, 55, 62, 64, 76, 80, 88, 95, 100, 110, 124, 128, 152, 155, 160, 176, 190, 200, 209, 220, 248, 275, 304, 310, 320, 341, 352, 380, 400, 418, 440, 475, 496, 550, 589, 608, 620, 640, 682, 704, 760, 775, 800, 836, 880, 950, 992, 1045, 1100, 1178, 1216, 1240, 1364, 1408, 1520, 1550, 1600, 1672, 1705, 1760, 1900, 1984, 2090, 2200, 2356, 2432, 2480, 2728, 2945, 3040, 3100, 3200, 3344, 3410, 3520, 3800, 3968, 4180, 4400, 4712, 4960, 5225, 5456, 5890, 6080, 6200, 6479, 6688, 6820, 7040, 7600, 8360, 8525, 8800, 9424, 9920, 10450, 10912, 11780, 12160, 12400, 12958, 13376, 13640, 14725, 15200, 16720, 17050, 17600, 18848, 19840, 20900, 21824, 23560, 24800, 25916, 26752, 27280, 29450, 30400, 32395, 33440, 34100, 35200, 37696, 41800, 43648, 47120, 49600, 51832, 54560, 58900, 60800, 64790, 66880, 68200, 75392, 83600, 94240, 99200, 103664, 109120, 117800, 129580, 133760, 136400, 161975, 167200, 188480, 207328, 218240, 235600, 259160, 272800, 323950, 334400, 376960, 414656, 471200, 518320, 545600, 647900, 668800, 829312, 942400, 1036640, 1091200, 1295800, 1884800, 2073280, 2591600, 4146560, 5183200, 10366400, 20732800]

約数ペア:

[(1, 20732800), (2, 10366400), (4, 5183200), (5, 4146560), (8, 2591600), (10, 2073280), (11, 1884800), (16, 1295800), (19, 1091200), (20, 1036640), (22, 942400), (25, 829312), (31, 668800), (32, 647900), (38, 545600), (40, 518320), (44, 471200), (50, 414656), (55, 376960), (62, 334400), (64, 323950), (76, 272800), (80, 259160), (88, 235600), (95, 218240), (100, 207328), (110, 188480), (124, 167200), (128, 161975), (152, 136400), (155, 133760), (160, 129580), (176, 117800), (190, 109120), (200, 103664), (209, 99200), (220, 94240), (248, 83600), (275, 75392), (304, 68200), (310, 66880), (320, 64790), (341, 60800), (352, 58900), (380, 54560), (400, 51832), (418, 49600), (440, 47120), (475, 43648), (496, 41800), (550, 37696), (589, 35200), (608, 34100), (620, 33440), (640, 32395), (682, 30400), (704, 29450), (760, 27280), (775, 26752), (800, 25916), (836, 24800), (880, 23560), (950, 21824), (992, 20900), (1045, 19840), (1100, 18848), (1178, 17600), (1216, 17050), (1240, 16720), (1364, 15200), (1408, 14725), (1520, 13640), (1550, 13376), (1600, 12958), (1672, 12400), (1705, 12160), (1760, 11780), (1900, 10912), (1984, 10450), (2090, 9920), (2200, 9424), (2356, 8800), (2432, 8525), (2480, 8360), (2728, 7600), (2945, 7040), (3040, 6820), (3100, 6688), (3200, 6479), (3344, 6200), (3410, 6080), (3520, 5890), (3800, 5456), (3968, 5225), (4180, 4960), (4400, 4712)]