20175056

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 60

約数和(自身を含む): 45567396

約数和(自身を除く): 25392340

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 613, 748, 968, 1226, 1496, 1936, 2057, 2452, 2992, 4114, 4904, 6743, 8228, 9808, 10421, 13486, 16456, 20842, 26972, 32912, 41684, 53944, 74173, 83368, 107888, 114631, 148346, 166736, 229262, 296692, 458524, 593384, 917048, 1186768, 1260941, 1834096, 2521882, 5043764, 10087528, 20175056]

約数ペア:

[(1, 20175056), (2, 10087528), (4, 5043764), (8, 2521882), (11, 1834096), (16, 1260941), (17, 1186768), (22, 917048), (34, 593384), (44, 458524), (68, 296692), (88, 229262), (121, 166736), (136, 148346), (176, 114631), (187, 107888), (242, 83368), (272, 74173), (374, 53944), (484, 41684), (613, 32912), (748, 26972), (968, 20842), (1226, 16456), (1496, 13486), (1936, 10421), (2057, 9808), (2452, 8228), (2992, 6743), (4114, 4904)]