20559256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151171}}^1$

素因数の和:151194

約数の個数: 16

約数和(自身を含む): 40816440

約数和(自身を除く): 20257184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151171, 302342, 604684, 1209368, 2569907, 5139814, 10279628, 20559256]

約数ペア:

[(1, 20559256), (2, 10279628), (4, 5139814), (8, 2569907), (17, 1209368), (34, 604684), (68, 302342), (136, 151171)]