20199751900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383297}}^1$

素因数の和:383359

約数の個数: 72

約数和(自身を含む): 47909183616

約数和(自身を除く): 27709431716

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1700, 2108, 2635, 3100, 5270, 10540, 13175, 26350, 52700, 383297, 766594, 1533188, 1916485, 3832970, 6516049, 7665940, 9582425, 11882207, 13032098, 19164850, 23764414, 26064196, 32580245, 38329700, 47528828, 59411035, 65160490, 118822070, 130320980, 162901225, 201997519, 237644140, 297055175, 325802450, 403995038, 594110350, 651604900, 807990076, 1009987595, 1188220700, 2019975190, 4039950380, 5049937975, 10099875950, 20199751900]

約数ペア:

[(1, 20199751900), (2, 10099875950), (4, 5049937975), (5, 4039950380), (10, 2019975190), (17, 1188220700), (20, 1009987595), (25, 807990076), (31, 651604900), (34, 594110350), (50, 403995038), (62, 325802450), (68, 297055175), (85, 237644140), (100, 201997519), (124, 162901225), (155, 130320980), (170, 118822070), (310, 65160490), (340, 59411035), (425, 47528828), (527, 38329700), (620, 32580245), (775, 26064196), (850, 23764414), (1054, 19164850), (1550, 13032098), (1700, 11882207), (2108, 9582425), (2635, 7665940), (3100, 6516049), (5270, 3832970), (10540, 1916485), (13175, 1533188), (26350, 766594), (52700, 383297)]