20944010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 18402550

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 919, 1838, 2279, 4558, 4595, 9190, 11395, 22790, 39517, 48707, 79034, 97414, 197585, 243535, 395170, 487070, 2094401, 4188802, 10472005, 20944010]

約数ペア:

[(1, 20944010), (2, 10472005), (5, 4188802), (10, 2094401), (43, 487070), (53, 395170), (86, 243535), (106, 197585), (215, 97414), (265, 79034), (430, 48707), (530, 39517), (919, 22790), (1838, 11395), (2279, 9190), (4558, 4595)]