20023575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 38914176

約数和(自身を除く): 18890601

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1867, 2145, 3575, 5601, 9335, 10725, 20537, 24271, 28005, 46675, 61611, 72813, 102685, 121355, 140025, 266981, 308055, 364065, 513425, 606775, 800943, 1334905, 1540275, 1820325, 4004715, 6674525, 20023575]

約数ペア:

[(1, 20023575), (3, 6674525), (5, 4004715), (11, 1820325), (13, 1540275), (15, 1334905), (25, 800943), (33, 606775), (39, 513425), (55, 364065), (65, 308055), (75, 266981), (143, 140025), (165, 121355), (195, 102685), (275, 72813), (325, 61611), (429, 46675), (715, 28005), (825, 24271), (975, 20537), (1867, 10725), (2145, 9335), (3575, 5601)]