20101671

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 30293120

約数和(自身を除く): 10191449

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 661, 981, 1983, 3379, 5949, 10137, 20491, 30411, 61473, 72049, 184419, 216147, 648441, 2233519, 6700557, 20101671]

約数ペア:

[(1, 20101671), (3, 6700557), (9, 2233519), (31, 648441), (93, 216147), (109, 184419), (279, 72049), (327, 61473), (661, 30411), (981, 20491), (1983, 10137), (3379, 5949)]