20631912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 59473920

約数和(自身を除く): 38842008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 967, 1016, 1524, 1778, 1934, 2667, 2901, 3048, 3556, 3868, 5334, 5802, 6769, 7112, 7736, 10668, 11604, 13538, 20307, 21336, 23208, 27076, 40614, 54152, 81228, 122809, 162456, 245618, 368427, 491236, 736854, 859663, 982472, 1473708, 1719326, 2578989, 2947416, 3438652, 5157978, 6877304, 10315956, 20631912]

約数ペア:

[(1, 20631912), (2, 10315956), (3, 6877304), (4, 5157978), (6, 3438652), (7, 2947416), (8, 2578989), (12, 1719326), (14, 1473708), (21, 982472), (24, 859663), (28, 736854), (42, 491236), (56, 368427), (84, 245618), (127, 162456), (168, 122809), (254, 81228), (381, 54152), (508, 40614), (762, 27076), (889, 23208), (967, 21336), (1016, 20307), (1524, 13538), (1778, 11604), (1934, 10668), (2667, 7736), (2901, 7112), (3048, 6769), (3556, 5802), (3868, 5334)]