20188974736

素因数分解:

$2^4\times 7^1\times {\mathrm{180258703}}^1$

素因数の和:180258718

約数の個数: 20

約数和(自身を含む): 44704158592

約数和(自身を除く): 24515183856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180258703, 360517406, 721034812, 1261810921, 1442069624, 2523621842, 2884139248, 5047243684, 10094487368, 20188974736]

約数ペア:

[(1, 20188974736), (2, 10094487368), (4, 5047243684), (7, 2884139248), (8, 2523621842), (14, 1442069624), (16, 1261810921), (28, 721034812), (56, 360517406), (112, 180258703)]