20504647566

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20809}}^1\times {\mathrm{4211}}^1$

素因数の和:25041

約数の個数: 48

約数和(自身を含む): 47857839120

約数和(自身を除く): 27353191554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 4211, 8422, 12633, 20809, 25266, 37899, 41618, 54743, 62427, 75798, 109486, 124854, 164229, 187281, 270517, 328458, 374562, 492687, 541034, 811551, 985374, 1623102, 2434653, 4869306, 87626699, 175253398, 262880097, 525760194, 788640291, 1139147087, 1577280582, 2278294174, 3417441261, 6834882522, 10252323783, 20504647566]

約数ペア:

[(1, 20504647566), (2, 10252323783), (3, 6834882522), (6, 3417441261), (9, 2278294174), (13, 1577280582), (18, 1139147087), (26, 788640291), (39, 525760194), (78, 262880097), (117, 175253398), (234, 87626699), (4211, 4869306), (8422, 2434653), (12633, 1623102), (20809, 985374), (25266, 811551), (37899, 541034), (41618, 492687), (54743, 374562), (62427, 328458), (75798, 270517), (109486, 187281), (124854, 164229)]