20188588

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 44643312

約数和(自身を除く): 24454724

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 73, 83, 98, 119, 146, 166, 196, 238, 292, 332, 476, 511, 581, 833, 1022, 1162, 1241, 1411, 1666, 2044, 2324, 2482, 2822, 3332, 3577, 4067, 4964, 5644, 6059, 7154, 8134, 8687, 9877, 12118, 14308, 16268, 17374, 19754, 24236, 34748, 39508, 42413, 60809, 69139, 84826, 103003, 121618, 138278, 169652, 206006, 243236, 276556, 296891, 412012, 593782, 721021, 1187564, 1442042, 2884084, 5047147, 10094294, 20188588]

約数ペア:

[(1, 20188588), (2, 10094294), (4, 5047147), (7, 2884084), (14, 1442042), (17, 1187564), (28, 721021), (34, 593782), (49, 412012), (68, 296891), (73, 276556), (83, 243236), (98, 206006), (119, 169652), (146, 138278), (166, 121618), (196, 103003), (238, 84826), (292, 69139), (332, 60809), (476, 42413), (511, 39508), (581, 34748), (833, 24236), (1022, 19754), (1162, 17374), (1241, 16268), (1411, 14308), (1666, 12118), (2044, 9877), (2324, 8687), (2482, 8134), (2822, 7154), (3332, 6059), (3577, 5644), (4067, 4964)]