20423552

素因数分解:

$2^7\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 40891800

約数和(自身を除く): 20468248

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 379, 421, 758, 842, 1516, 1684, 3032, 3368, 6064, 6736, 12128, 13472, 24256, 26944, 48512, 53888, 159559, 319118, 638236, 1276472, 2552944, 5105888, 10211776, 20423552]

約数ペア:

[(1, 20423552), (2, 10211776), (4, 5105888), (8, 2552944), (16, 1276472), (32, 638236), (64, 319118), (128, 159559), (379, 53888), (421, 48512), (758, 26944), (842, 24256), (1516, 13472), (1684, 12128), (3032, 6736), (3368, 6064)]