20132969480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{634709}}^1$

素因数の和:634794

約数の個数: 64

約数和(自身を含む): 49583545200

約数和(自身を除く): 29450575720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7930, 15860, 31720, 634709, 1269418, 2538836, 3173545, 5077672, 6347090, 8251217, 12694180, 16502434, 25388360, 33004868, 38717249, 41256085, 66009736, 77434498, 82512170, 154868996, 165024340, 193586245, 309737992, 330048680, 387172490, 503324237, 774344980, 1006648474, 1548689960, 2013296948, 2516621185, 4026593896, 5033242370, 10066484740, 20132969480]

約数ペア:

[(1, 20132969480), (2, 10066484740), (4, 5033242370), (5, 4026593896), (8, 2516621185), (10, 2013296948), (13, 1548689960), (20, 1006648474), (26, 774344980), (40, 503324237), (52, 387172490), (61, 330048680), (65, 309737992), (104, 193586245), (122, 165024340), (130, 154868996), (244, 82512170), (260, 77434498), (305, 66009736), (488, 41256085), (520, 38717249), (610, 33004868), (793, 25388360), (1220, 16502434), (1586, 12694180), (2440, 8251217), (3172, 6347090), (3965, 5077672), (6344, 3173545), (7930, 2538836), (15860, 1269418), (31720, 634709)]