20672350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13337}}^1$

素因数の和:13380

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 19021538

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13337, 26674, 66685, 133370, 333425, 413447, 666850, 826894, 2067235, 4134470, 10336175, 20672350]

約数ペア:

[(1, 20672350), (2, 10336175), (5, 4134470), (10, 2067235), (25, 826894), (31, 666850), (50, 413447), (62, 333425), (155, 133370), (310, 66685), (775, 26674), (1550, 13337)]