20538064

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{3049}}^1$

素因数の和:3478

約数の個数: 20

約数和(自身を含む): 39900100

約数和(自身を除く): 19362036

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3049, 3368, 6098, 6736, 12196, 24392, 48784, 1283629, 2567258, 5134516, 10269032, 20538064]

約数ペア:

[(1, 20538064), (2, 10269032), (4, 5134516), (8, 2567258), (16, 1283629), (421, 48784), (842, 24392), (1684, 12196), (3049, 6736), (3368, 6098)]