20919648

素因数分解:

$2^5\times 3^1\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 34238112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 359, 607, 718, 1077, 1214, 1436, 1821, 2154, 2428, 2872, 3642, 4308, 4856, 5744, 7284, 8616, 9712, 11488, 14568, 17232, 19424, 29136, 34464, 58272, 217913, 435826, 653739, 871652, 1307478, 1743304, 2614956, 3486608, 5229912, 6973216, 10459824, 20919648]

約数ペア:

[(1, 20919648), (2, 10459824), (3, 6973216), (4, 5229912), (6, 3486608), (8, 2614956), (12, 1743304), (16, 1307478), (24, 871652), (32, 653739), (48, 435826), (96, 217913), (359, 58272), (607, 34464), (718, 29136), (1077, 19424), (1214, 17232), (1436, 14568), (1821, 11488), (2154, 9712), (2428, 8616), (2872, 7284), (3642, 5744), (4308, 4856)]