20909828848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1367}}^1\times {\mathrm{30839}}^1$

素因数の和:32245

約数の個数: 40

約数和(自身を含む): 41851607040

約数和(自身を除く): 20941778192

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1367, 2734, 5468, 10936, 21872, 30839, 42377, 61678, 84754, 123356, 169508, 246712, 339016, 493424, 678032, 956009, 1912018, 3824036, 7648072, 15296144, 42156913, 84313826, 168627652, 337255304, 674510608, 1306864303, 2613728606, 5227457212, 10454914424, 20909828848]

約数ペア:

[(1, 20909828848), (2, 10454914424), (4, 5227457212), (8, 2613728606), (16, 1306864303), (31, 674510608), (62, 337255304), (124, 168627652), (248, 84313826), (496, 42156913), (1367, 15296144), (2734, 7648072), (5468, 3824036), (10936, 1912018), (21872, 956009), (30839, 678032), (42377, 493424), (61678, 339016), (84754, 246712), (123356, 169508)]