20378514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4283}}^1$

素因数の和:4362

約数の個数: 32

約数和(自身を含む): 44622144

約数和(自身を除く): 24243630

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4283, 4758, 8566, 12849, 25698, 55679, 111358, 167037, 261263, 334074, 522526, 783789, 1567578, 3396419, 6792838, 10189257, 20378514]

約数ペア:

[(1, 20378514), (2, 10189257), (3, 6792838), (6, 3396419), (13, 1567578), (26, 783789), (39, 522526), (61, 334074), (78, 261263), (122, 167037), (183, 111358), (366, 55679), (793, 25698), (1586, 12849), (2379, 8566), (4283, 4758)]