12920838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{307639}}^1$

素因数の和:307651

約数の個数: 16

約数和(自身を含む): 29533440

約数和(自身を除く): 16612602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 307639, 615278, 922917, 1845834, 2153473, 4306946, 6460419, 12920838]

約数ペア:

[(1, 12920838), (2, 6460419), (3, 4306946), (6, 2153473), (7, 1845834), (14, 922917), (21, 615278), (42, 307639)]