20155716

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8887}}^1$

素因数の和:8910

約数の個数: 60

約数和(自身を含む): 60225088

約数和(自身を除く): 40069372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8887, 17774, 26661, 35548, 53322, 62209, 79983, 106644, 124418, 159966, 186627, 239949, 248836, 319932, 373254, 479898, 559881, 719847, 746508, 959796, 1119762, 1439694, 1679643, 2239524, 2879388, 3359286, 5038929, 6718572, 10077858, 20155716]

約数ペア:

[(1, 20155716), (2, 10077858), (3, 6718572), (4, 5038929), (6, 3359286), (7, 2879388), (9, 2239524), (12, 1679643), (14, 1439694), (18, 1119762), (21, 959796), (27, 746508), (28, 719847), (36, 559881), (42, 479898), (54, 373254), (63, 319932), (81, 248836), (84, 239949), (108, 186627), (126, 159966), (162, 124418), (189, 106644), (252, 79983), (324, 62209), (378, 53322), (567, 35548), (756, 26661), (1134, 17774), (2268, 8887)]