20967070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 39991680

約数和(自身を除く): 19024610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 523, 1046, 1055, 2110, 2615, 4009, 5230, 8018, 9937, 19874, 20045, 40090, 49685, 99370, 110353, 220706, 551765, 1103530, 2096707, 4193414, 10483535, 20967070]

約数ペア:

[(1, 20967070), (2, 10483535), (5, 4193414), (10, 2096707), (19, 1103530), (38, 551765), (95, 220706), (190, 110353), (211, 99370), (422, 49685), (523, 40090), (1046, 20045), (1055, 19874), (2110, 9937), (2615, 8018), (4009, 5230)]