20444568

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32777832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 79, 82, 123, 158, 164, 237, 246, 263, 316, 328, 474, 492, 526, 632, 789, 948, 984, 1052, 1578, 1896, 2104, 3156, 3239, 6312, 6478, 9717, 10783, 12956, 19434, 20777, 21566, 25912, 32349, 38868, 41554, 43132, 62331, 64698, 77736, 83108, 86264, 124662, 129396, 166216, 249324, 258792, 498648, 851857, 1703714, 2555571, 3407428, 5111142, 6814856, 10222284, 20444568]

約数ペア:

[(1, 20444568), (2, 10222284), (3, 6814856), (4, 5111142), (6, 3407428), (8, 2555571), (12, 1703714), (24, 851857), (41, 498648), (79, 258792), (82, 249324), (123, 166216), (158, 129396), (164, 124662), (237, 86264), (246, 83108), (263, 77736), (316, 64698), (328, 62331), (474, 43132), (492, 41554), (526, 38868), (632, 32349), (789, 25912), (948, 21566), (984, 20777), (1052, 19434), (1578, 12956), (1896, 10783), (2104, 9717), (3156, 6478), (3239, 6312)]