20481072

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9923}}^1$

素因数の和:9977

約数の個数: 40

約数和(自身を含む): 54145344

約数和(自身を除く): 33664272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9923, 19846, 29769, 39692, 59538, 79384, 119076, 158768, 238152, 426689, 476304, 853378, 1280067, 1706756, 2560134, 3413512, 5120268, 6827024, 10240536, 20481072]

約数ペア:

[(1, 20481072), (2, 10240536), (3, 6827024), (4, 5120268), (6, 3413512), (8, 2560134), (12, 1706756), (16, 1280067), (24, 853378), (43, 476304), (48, 426689), (86, 238152), (129, 158768), (172, 119076), (258, 79384), (344, 59538), (516, 39692), (688, 29769), (1032, 19846), (2064, 9923)]