20791928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 42157200

約数和(自身を除く): 21365272

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3697, 5624, 7394, 14788, 29576, 70243, 136789, 140486, 273578, 280972, 547156, 561944, 1094312, 2598991, 5197982, 10395964, 20791928]

約数ペア:

[(1, 20791928), (2, 10395964), (4, 5197982), (8, 2598991), (19, 1094312), (37, 561944), (38, 547156), (74, 280972), (76, 273578), (148, 140486), (152, 136789), (296, 70243), (703, 29576), (1406, 14788), (2812, 7394), (3697, 5624)]