20019170

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4519}}^1$

素因数の和:4969

約数の個数: 16

約数和(自身を含む): 36123840

約数和(自身を除く): 16104670

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4519, 9038, 22595, 45190, 2001917, 4003834, 10009585, 20019170]

約数ペア:

[(1, 20019170), (2, 10009585), (5, 4003834), (10, 2001917), (443, 45190), (886, 22595), (2215, 9038), (4430, 4519)]