20243555475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1887511}}^1$

素因数の和:1887548

約数の個数: 48

約数和(自身を含む): 39320649984

約数和(自身を除く): 19077094509

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 1887511, 5662533, 9437555, 20762621, 24537643, 28312665, 47187775, 62287863, 73612929, 103813105, 122688215, 141563325, 269914073, 311439315, 368064645, 519065525, 613441075, 809742219, 1349570365, 1557196575, 1840323225, 4048711095, 6747851825, 20243555475]

約数ペア:

[(1, 20243555475), (3, 6747851825), (5, 4048711095), (11, 1840323225), (13, 1557196575), (15, 1349570365), (25, 809742219), (33, 613441075), (39, 519065525), (55, 368064645), (65, 311439315), (75, 269914073), (143, 141563325), (165, 122688215), (195, 103813105), (275, 73612929), (325, 62287863), (429, 47187775), (715, 28312665), (825, 24537643), (975, 20762621), (2145, 9437555), (3575, 5662533), (10725, 1887511)]