20876918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3911}}^1$

素因数の和:4087

約数の個数: 16

約数和(自身を含む): 33377184

約数和(自身を除く): 12500266

約数列:

[1, 2, 17, 34, 157, 314, 2669, 3911, 5338, 7822, 66487, 132974, 614027, 1228054, 10438459, 20876918]

約数ペア:

[(1, 20876918), (2, 10438459), (17, 1228054), (34, 614027), (157, 132974), (314, 66487), (2669, 7822), (3911, 5338)]