20597710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 26680370

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 911, 1190, 1330, 1615, 1822, 2261, 3230, 4522, 4555, 6377, 9110, 11305, 12754, 15487, 17309, 22610, 30974, 31885, 34618, 63770, 77435, 86545, 108409, 121163, 154870, 173090, 216818, 242326, 294253, 542045, 588506, 605815, 1084090, 1211630, 1471265, 2059771, 2942530, 4119542, 10298855, 20597710]

約数ペア:

[(1, 20597710), (2, 10298855), (5, 4119542), (7, 2942530), (10, 2059771), (14, 1471265), (17, 1211630), (19, 1084090), (34, 605815), (35, 588506), (38, 542045), (70, 294253), (85, 242326), (95, 216818), (119, 173090), (133, 154870), (170, 121163), (190, 108409), (238, 86545), (266, 77435), (323, 63770), (595, 34618), (646, 31885), (665, 30974), (911, 22610), (1190, 17309), (1330, 15487), (1615, 12754), (1822, 11305), (2261, 9110), (3230, 6377), (4522, 4555)]