20873080

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1399}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 26250920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1399, 1492, 1865, 2798, 2984, 3730, 5596, 6995, 7460, 11192, 13990, 14920, 27980, 55960, 521827, 1043654, 2087308, 2609135, 4174616, 5218270, 10436540, 20873080]

約数ペア:

[(1, 20873080), (2, 10436540), (4, 5218270), (5, 4174616), (8, 2609135), (10, 2087308), (20, 1043654), (40, 521827), (373, 55960), (746, 27980), (1399, 14920), (1492, 13990), (1865, 11192), (2798, 7460), (2984, 6995), (3730, 5596)]