20020432820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5240951}}^1$

素因数の和:5241151

約数の個数: 24

約数和(自身を含む): 42263036928

約数和(自身を除く): 22242604108

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5240951, 10481902, 20963804, 26204755, 52409510, 104819020, 1001021641, 2002043282, 4004086564, 5005108205, 10010216410, 20020432820]

約数ペア:

[(1, 20020432820), (2, 10010216410), (4, 5005108205), (5, 4004086564), (10, 2002043282), (20, 1001021641), (191, 104819020), (382, 52409510), (764, 26204755), (955, 20963804), (1910, 10481902), (3820, 5240951)]