20171724

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 50684256

約数和(自身を除く): 30512532

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 61, 68, 102, 122, 183, 204, 244, 366, 732, 1037, 1621, 2074, 3111, 3242, 4148, 4863, 6222, 6484, 9726, 12444, 19452, 27557, 55114, 82671, 98881, 110228, 165342, 197762, 296643, 330684, 395524, 593286, 1186572, 1680977, 3361954, 5042931, 6723908, 10085862, 20171724]

約数ペア:

[(1, 20171724), (2, 10085862), (3, 6723908), (4, 5042931), (6, 3361954), (12, 1680977), (17, 1186572), (34, 593286), (51, 395524), (61, 330684), (68, 296643), (102, 197762), (122, 165342), (183, 110228), (204, 98881), (244, 82671), (366, 55114), (732, 27557), (1037, 19452), (1621, 12444), (2074, 9726), (3111, 6484), (3242, 6222), (4148, 4863)]