20177070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2617}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 48631968

約数和(自身を除く): 28454898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 2617, 3855, 5234, 7710, 7851, 13085, 15702, 26170, 39255, 78510, 672569, 1345138, 2017707, 3362845, 4035414, 6725690, 10088535, 20177070]

約数ペア:

[(1, 20177070), (2, 10088535), (3, 6725690), (5, 4035414), (6, 3362845), (10, 2017707), (15, 1345138), (30, 672569), (257, 78510), (514, 39255), (771, 26170), (1285, 15702), (1542, 13085), (2570, 7851), (2617, 7710), (3855, 5234)]