20510704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75407}}^1$

素因数の和:75432

約数の個数: 20

約数和(自身を含む): 42077664

約数和(自身を除く): 21566960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75407, 150814, 301628, 603256, 1206512, 1281919, 2563838, 5127676, 10255352, 20510704]

約数ペア:

[(1, 20510704), (2, 10255352), (4, 5127676), (8, 2563838), (16, 1281919), (17, 1206512), (34, 603256), (68, 301628), (136, 150814), (272, 75407)]