20287965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{46639}}^1$

素因数の和:46676

約数の個数: 16

約数和(自身を含む): 33580800

約数和(自身を除く): 13292835

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 46639, 139917, 233195, 699585, 1352531, 4057593, 6762655, 20287965]

約数ペア:

[(1, 20287965), (3, 6762655), (5, 4057593), (15, 1352531), (29, 699585), (87, 233195), (145, 139917), (435, 46639)]