20381886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{161761}}^1$

素因数の和:161776

約数の個数: 24

約数和(自身を含む): 50469744

約数和(自身を除く): 30087858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 161761, 323522, 485283, 970566, 1132327, 1455849, 2264654, 2911698, 3396981, 6793962, 10190943, 20381886]

約数ペア:

[(1, 20381886), (2, 10190943), (3, 6793962), (6, 3396981), (7, 2911698), (9, 2264654), (14, 1455849), (18, 1132327), (21, 970566), (42, 485283), (63, 323522), (126, 161761)]