20406989404

素因数分解:

$2^2\times {\mathrm{293}}^1\times {\mathrm{809}}^1\times {\mathrm{21523}}^1$

素因数の和:22629

約数の個数: 24

約数和(自身を含む): 35880077520

約数和(自身を除く): 15473088116

約数列:

[1, 2, 4, 293, 586, 809, 1172, 1618, 3236, 21523, 43046, 86092, 237037, 474074, 948148, 6306239, 12612478, 17412107, 25224956, 34824214, 69648428, 5101747351, 10203494702, 20406989404]

約数ペア:

[(1, 20406989404), (2, 10203494702), (4, 5101747351), (293, 69648428), (586, 34824214), (809, 25224956), (1172, 17412107), (1618, 12612478), (3236, 6306239), (21523, 948148), (43046, 474074), (86092, 237037)]