20163564028

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13963687}}^1$

素因数の和:13963729

約数の個数: 18

約数和(自身を含む): 37241155896

約数和(自身を除く): 17077591868

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13963687, 27927374, 55854748, 265310053, 530620106, 1061240212, 5040891007, 10081782014, 20163564028]

約数ペア:

[(1, 20163564028), (2, 10081782014), (4, 5040891007), (19, 1061240212), (38, 530620106), (76, 265310053), (361, 55854748), (722, 27927374), (1444, 13963687)]