20280341780

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{536801}}^1$

素因数の和:538699

約数の個数: 24

約数和(自身を含む): 42611342760

約数和(自身を除く): 22331000980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 7556, 9445, 18890, 37780, 536801, 1073602, 2147204, 2684005, 5368010, 10736020, 1014017089, 2028034178, 4056068356, 5070085445, 10140170890, 20280341780]

約数ペア:

[(1, 20280341780), (2, 10140170890), (4, 5070085445), (5, 4056068356), (10, 2028034178), (20, 1014017089), (1889, 10736020), (3778, 5368010), (7556, 2684005), (9445, 2147204), (18890, 1073602), (37780, 536801)]