20895472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100459}}^1$

素因数の和:100480

約数の個数: 20

約数和(自身を含む): 43599640

約数和(自身を除く): 22704168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100459, 200918, 401836, 803672, 1305967, 1607344, 2611934, 5223868, 10447736, 20895472]

約数ペア:

[(1, 20895472), (2, 10447736), (4, 5223868), (8, 2611934), (13, 1607344), (16, 1305967), (26, 803672), (52, 401836), (104, 200918), (208, 100459)]