20573609084

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1\times {\mathrm{19841}}^1$

素因数の和:21158

約数の個数: 48

約数和(自身を含む): 42601567680

約数和(自身を除く): 22027958596

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 1277, 2554, 5108, 8939, 17878, 19841, 35756, 37033, 39682, 74066, 79364, 138887, 148132, 259231, 277774, 518462, 555548, 575389, 1036924, 1150778, 2301556, 4027723, 8055446, 16110892, 25336957, 50673914, 101347828, 177358699, 354717398, 709434796, 734771753, 1469543506, 2939087012, 5143402271, 10286804542, 20573609084]

約数ペア:

[(1, 20573609084), (2, 10286804542), (4, 5143402271), (7, 2939087012), (14, 1469543506), (28, 734771753), (29, 709434796), (58, 354717398), (116, 177358699), (203, 101347828), (406, 50673914), (812, 25336957), (1277, 16110892), (2554, 8055446), (5108, 4027723), (8939, 2301556), (17878, 1150778), (19841, 1036924), (35756, 575389), (37033, 555548), (39682, 518462), (74066, 277774), (79364, 259231), (138887, 148132)]