20787574262

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{516821}}^1$

素因数の和:516873

約数の個数: 48

約数和(自身を含む): 40857880032

約数和(自身を除く): 20070305770

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 169, 182, 221, 238, 338, 442, 1183, 1547, 2366, 2873, 3094, 5746, 20111, 40222, 516821, 1033642, 3617747, 6718673, 7235494, 8785957, 13437346, 17571914, 47030711, 61501699, 87342749, 94061422, 114217441, 123003398, 174685498, 228434882, 611399243, 799522087, 1222798486, 1484826733, 1599044174, 2969653466, 10393787131, 20787574262]

約数ペア:

[(1, 20787574262), (2, 10393787131), (7, 2969653466), (13, 1599044174), (14, 1484826733), (17, 1222798486), (26, 799522087), (34, 611399243), (91, 228434882), (119, 174685498), (169, 123003398), (182, 114217441), (221, 94061422), (238, 87342749), (338, 61501699), (442, 47030711), (1183, 17571914), (1547, 13437346), (2366, 8785957), (2873, 7235494), (3094, 6718673), (5746, 3617747), (20111, 1033642), (40222, 516821)]