2020035880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{27763}}^1$

素因数の和:27898

約数の個数: 64

約数和(自身を含む): 4857589440

約数和(自身を除く): 2837553560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 680, 856, 1070, 1819, 2140, 3638, 4280, 7276, 9095, 14552, 18190, 27763, 36380, 55526, 72760, 111052, 138815, 222104, 277630, 471971, 555260, 943942, 1110520, 1887884, 2359855, 2970641, 3775768, 4719710, 5941282, 9439420, 11882564, 14853205, 18878840, 23765128, 29706410, 50500897, 59412820, 101001794, 118825640, 202003588, 252504485, 404007176, 505008970, 1010017940, 2020035880]

約数ペア:

[(1, 2020035880), (2, 1010017940), (4, 505008970), (5, 404007176), (8, 252504485), (10, 202003588), (17, 118825640), (20, 101001794), (34, 59412820), (40, 50500897), (68, 29706410), (85, 23765128), (107, 18878840), (136, 14853205), (170, 11882564), (214, 9439420), (340, 5941282), (428, 4719710), (535, 3775768), (680, 2970641), (856, 2359855), (1070, 1887884), (1819, 1110520), (2140, 943942), (3638, 555260), (4280, 471971), (7276, 277630), (9095, 222104), (14552, 138815), (18190, 111052), (27763, 72760), (36380, 55526)]