20196643796

素因数分解:

$2^2\times 7^2\times {\mathrm{103044101}}^1$

素因数の和:103044119

約数の個数: 18

約数和(自身を含む): 41114596698

約数和(自身を除く): 20917952902

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103044101, 206088202, 412176404, 721308707, 1442617414, 2885234828, 5049160949, 10098321898, 20196643796]

約数ペア:

[(1, 20196643796), (2, 10098321898), (4, 5049160949), (7, 2885234828), (14, 1442617414), (28, 721308707), (49, 412176404), (98, 206088202), (196, 103044101)]