20055386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1571}}^1$

素因数の和:2077

約数の個数: 16

約数和(自身を含む): 32483808

約数和(自身を除く): 12428422

約数列:

[1, 2, 13, 26, 491, 982, 1571, 3142, 6383, 12766, 20423, 40846, 771361, 1542722, 10027693, 20055386]

約数ペア:

[(1, 20055386), (2, 10027693), (13, 1542722), (26, 771361), (491, 40846), (982, 20423), (1571, 12766), (3142, 6383)]