20571010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30703}}^1$

素因数の和:30777

約数の個数: 16

約数和(自身を含む): 37581696

約数和(自身を除く): 17010686

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30703, 61406, 153515, 307030, 2057101, 4114202, 10285505, 20571010]

約数ペア:

[(1, 20571010), (2, 10285505), (5, 4114202), (10, 2057101), (67, 307030), (134, 153515), (335, 61406), (670, 30703)]