20942224

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{3109}}^1$

素因数の和:3538

約数の個数: 20

約数和(自身を含む): 40685020

約数和(自身を除く): 19742796

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3109, 3368, 6218, 6736, 12436, 24872, 49744, 1308889, 2617778, 5235556, 10471112, 20942224]

約数ペア:

[(1, 20942224), (2, 10471112), (4, 5235556), (8, 2617778), (16, 1308889), (421, 49744), (842, 24872), (1684, 12436), (3109, 6736), (3368, 6218)]