201620878855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{709}}^1\times {\mathrm{470039}}^1$

素因数の和:470775

約数の個数: 24

約数和(自身を含む): 266315263200

約数和(自身を除く): 64694384345

約数列:

[1, 5, 11, 55, 121, 605, 709, 3545, 7799, 38995, 85789, 428945, 470039, 2350195, 5170429, 25852145, 56874719, 284373595, 333257651, 1666288255, 3665834161, 18329170805, 40324175771, 201620878855]

約数ペア:

[(1, 201620878855), (5, 40324175771), (11, 18329170805), (55, 3665834161), (121, 1666288255), (605, 333257651), (709, 284373595), (3545, 56874719), (7799, 25852145), (38995, 5170429), (85789, 2350195), (428945, 470039)]