20280606728

素因数分解:

$2^3\times {\mathrm{1039}}^1\times {\mathrm{2439919}}^1$

素因数の和:2440964

約数の個数: 16

約数和(自身を含む): 38062752000

約数和(自身を除く): 17782145272

約数列:

[1, 2, 4, 8, 1039, 2078, 4156, 8312, 2439919, 4879838, 9759676, 19519352, 2535075841, 5070151682, 10140303364, 20280606728]

約数ペア:

[(1, 20280606728), (2, 10140303364), (4, 5070151682), (8, 2535075841), (1039, 19519352), (2078, 9759676), (4156, 4879838), (8312, 2439919)]