20199789728

素因数分解:

$2^5\times {\mathrm{11177}}^1\times {\mathrm{56477}}^1$

素因数の和:67664

約数の個数: 24

約数和(自身を含む): 39772598292

約数和(自身を除く): 19572808564

約数列:

[1, 2, 4, 8, 16, 32, 11177, 22354, 44708, 56477, 89416, 112954, 178832, 225908, 357664, 451816, 903632, 1807264, 631243429, 1262486858, 2524973716, 5049947432, 10099894864, 20199789728]

約数ペア:

[(1, 20199789728), (2, 10099894864), (4, 5049947432), (8, 2524973716), (16, 1262486858), (32, 631243429), (11177, 1807264), (22354, 903632), (44708, 451816), (56477, 357664), (89416, 225908), (112954, 178832)]