208037420

素因数分解:

$2^2\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{4621}}^1$

素因数の和:6881

約数の個数: 24

約数和(自身を含む): 437167248

約数和(自身を除く): 229129828

約数列:

[1, 2, 4, 5, 10, 20, 2251, 4502, 4621, 9004, 9242, 11255, 18484, 22510, 23105, 45020, 46210, 92420, 10401871, 20803742, 41607484, 52009355, 104018710, 208037420]

約数ペア:

[(1, 208037420), (2, 104018710), (4, 52009355), (5, 41607484), (10, 20803742), (20, 10401871), (2251, 92420), (4502, 46210), (4621, 45020), (9004, 23105), (9242, 22510), (11255, 18484)]