20232485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10249435

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 839, 1855, 3445, 4195, 4823, 5873, 10907, 24115, 29365, 44467, 54535, 76349, 222335, 311269, 381745, 578071, 1556345, 2890355, 4046497, 20232485]

約数ペア:

[(1, 20232485), (5, 4046497), (7, 2890355), (13, 1556345), (35, 578071), (53, 381745), (65, 311269), (91, 222335), (265, 76349), (371, 54535), (455, 44467), (689, 29365), (839, 24115), (1855, 10907), (3445, 5873), (4195, 4823)]