20134280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12277}}^1$

素因数の和:12329

約数の個数: 32

約数和(自身を含む): 46410840

約数和(自身を除く): 26276560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12277, 24554, 49108, 61385, 98216, 122770, 245540, 491080, 503357, 1006714, 2013428, 2516785, 4026856, 5033570, 10067140, 20134280]

約数ペア:

[(1, 20134280), (2, 10067140), (4, 5033570), (5, 4026856), (8, 2516785), (10, 2013428), (20, 1006714), (40, 503357), (41, 491080), (82, 245540), (164, 122770), (205, 98216), (328, 61385), (410, 49108), (820, 24554), (1640, 12277)]