20576156775

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1933}}^1\times {\mathrm{1999}}^1$

素因数の和:4016

約数の個数: 48

約数和(自身を含む): 34533504000

約数和(自身を除く): 13957347225

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 1933, 1999, 5325, 5799, 5997, 9665, 9995, 28995, 29985, 48325, 49975, 137243, 141929, 144975, 149925, 411729, 425787, 686215, 709645, 2058645, 2128935, 3431075, 3548225, 3864067, 10293225, 10644675, 11592201, 19320335, 57961005, 96601675, 274348757, 289805025, 823046271, 1371743785, 4115231355, 6858718925, 20576156775]

約数ペア:

[(1, 20576156775), (3, 6858718925), (5, 4115231355), (15, 1371743785), (25, 823046271), (71, 289805025), (75, 274348757), (213, 96601675), (355, 57961005), (1065, 19320335), (1775, 11592201), (1933, 10644675), (1999, 10293225), (5325, 3864067), (5799, 3548225), (5997, 3431075), (9665, 2128935), (9995, 2058645), (28995, 709645), (29985, 686215), (48325, 425787), (49975, 411729), (137243, 149925), (141929, 144975)]