20796475

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 29704448

約数和(自身を除く): 8907973

約数列:

[1, 5, 7, 25, 35, 151, 175, 755, 787, 1057, 3775, 3935, 5285, 5509, 19675, 26425, 27545, 118837, 137725, 594185, 831859, 2970925, 4159295, 20796475]

約数ペア:

[(1, 20796475), (5, 4159295), (7, 2970925), (25, 831859), (35, 594185), (151, 137725), (175, 118837), (755, 27545), (787, 26425), (1057, 19675), (3775, 5509), (3935, 5285)]