20216306888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1\times {\mathrm{1259}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 40257000000

約数和(自身を除く): 20040693112

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 709, 1192, 1259, 1418, 2518, 2831, 2836, 5036, 5662, 5672, 10072, 11324, 13471, 22648, 23921, 26942, 47842, 53884, 95684, 105641, 107768, 187591, 191368, 211282, 375182, 422564, 750364, 845128, 892631, 1500728, 1785262, 2007179, 3564229, 3570524, 4014358, 7128458, 7141048, 8028716, 14256916, 16057432, 16959989, 28513832, 33919978, 67839956, 133002019, 135679912, 266004038, 532008076, 1064016152, 2527038361, 5054076722, 10108153444, 20216306888]

約数ペア:

[(1, 20216306888), (2, 10108153444), (4, 5054076722), (8, 2527038361), (19, 1064016152), (38, 532008076), (76, 266004038), (149, 135679912), (152, 133002019), (298, 67839956), (596, 33919978), (709, 28513832), (1192, 16959989), (1259, 16057432), (1418, 14256916), (2518, 8028716), (2831, 7141048), (2836, 7128458), (5036, 4014358), (5662, 3570524), (5672, 3564229), (10072, 2007179), (11324, 1785262), (13471, 1500728), (22648, 892631), (23921, 845128), (26942, 750364), (47842, 422564), (53884, 375182), (95684, 211282), (105641, 191368), (107768, 187591)]