20639994120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3017543}}^1$

素因数の和:3017579

約数の個数: 96

約数和(自身を含む): 70610529600

約数和(自身を除く): 49970535480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 3017543, 6035086, 9052629, 12070172, 15087715, 18105258, 24140344, 27157887, 30175430, 36210516, 45263145, 54315774, 57333317, 60350860, 72421032, 90526290, 108631548, 114666634, 120701720, 135789435, 171999951, 181052580, 217263096, 229333268, 271578870, 286666585, 343999902, 362105160, 458666536, 515999853, 543157740, 573333170, 687999804, 859999755, 1031999706, 1086315480, 1146666340, 1375999608, 1719999510, 2063999412, 2293332680, 2579999265, 3439999020, 4127998824, 5159998530, 6879998040, 10319997060, 20639994120]

約数ペア:

[(1, 20639994120), (2, 10319997060), (3, 6879998040), (4, 5159998530), (5, 4127998824), (6, 3439999020), (8, 2579999265), (9, 2293332680), (10, 2063999412), (12, 1719999510), (15, 1375999608), (18, 1146666340), (19, 1086315480), (20, 1031999706), (24, 859999755), (30, 687999804), (36, 573333170), (38, 543157740), (40, 515999853), (45, 458666536), (57, 362105160), (60, 343999902), (72, 286666585), (76, 271578870), (90, 229333268), (95, 217263096), (114, 181052580), (120, 171999951), (152, 135789435), (171, 120701720), (180, 114666634), (190, 108631548), (228, 90526290), (285, 72421032), (342, 60350860), (360, 57333317), (380, 54315774), (456, 45263145), (570, 36210516), (684, 30175430), (760, 27157887), (855, 24140344), (1140, 18105258), (1368, 15087715), (1710, 12070172), (2280, 9052629), (3420, 6035086), (6840, 3017543)]