20404975460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{733}}^1\times {\mathrm{13781}}^1$

素因数の和:14624

約数の個数: 48

約数和(自身を含む): 43336892592

約数和(自身を除く): 22931917132

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 733, 1010, 1466, 2020, 2932, 3665, 7330, 13781, 14660, 27562, 55124, 68905, 74033, 137810, 148066, 275620, 296132, 370165, 740330, 1391881, 1480660, 2783762, 5567524, 6959405, 10101473, 13918810, 20202946, 27837620, 40405892, 50507365, 101014730, 202029460, 1020248773, 2040497546, 4080995092, 5101243865, 10202487730, 20404975460]

約数ペア:

[(1, 20404975460), (2, 10202487730), (4, 5101243865), (5, 4080995092), (10, 2040497546), (20, 1020248773), (101, 202029460), (202, 101014730), (404, 50507365), (505, 40405892), (733, 27837620), (1010, 20202946), (1466, 13918810), (2020, 10101473), (2932, 6959405), (3665, 5567524), (7330, 2783762), (13781, 1480660), (14660, 1391881), (27562, 740330), (55124, 370165), (68905, 296132), (74033, 275620), (137810, 148066)]