20085938684

素因数分解:

$2^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{105323}}^1$

素因数の和:105487

約数の個数: 48

約数和(自身を含む): 41287008000

約数和(自身を除く): 21201069316

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 343, 556, 686, 973, 1372, 1946, 3892, 6811, 13622, 27244, 47677, 95354, 105323, 190708, 210646, 421292, 737261, 1474522, 2949044, 5160827, 10321654, 14639897, 20643308, 29279794, 36125789, 58559588, 72251578, 102479279, 144503156, 204958558, 409917116, 717354953, 1434709906, 2869419812, 5021484671, 10042969342, 20085938684]

約数ペア:

[(1, 20085938684), (2, 10042969342), (4, 5021484671), (7, 2869419812), (14, 1434709906), (28, 717354953), (49, 409917116), (98, 204958558), (139, 144503156), (196, 102479279), (278, 72251578), (343, 58559588), (556, 36125789), (686, 29279794), (973, 20643308), (1372, 14639897), (1946, 10321654), (3892, 5160827), (6811, 2949044), (13622, 1474522), (27244, 737261), (47677, 421292), (95354, 210646), (105323, 190708)]