20858994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6857}}^1$

素因数の和:6891

約数の個数: 36

約数和(自身を含む): 48945546

約数和(自身を除く): 28086552

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6857, 13714, 20571, 41142, 61713, 89141, 123426, 178282, 267423, 534846, 802269, 1158833, 1604538, 2317666, 3476499, 6952998, 10429497, 20858994]

約数ペア:

[(1, 20858994), (2, 10429497), (3, 6952998), (6, 3476499), (9, 2317666), (13, 1604538), (18, 1158833), (26, 802269), (39, 534846), (78, 267423), (117, 178282), (169, 123426), (234, 89141), (338, 61713), (507, 41142), (1014, 20571), (1521, 13714), (3042, 6857)]