20163260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77551}}^1$

素因数の和:77573

約数の個数: 24

約数和(自身を含む): 45600576

約数和(自身を除く): 25437316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77551, 155102, 310204, 387755, 775510, 1008163, 1551020, 2016326, 4032652, 5040815, 10081630, 20163260]

約数ペア:

[(1, 20163260), (2, 10081630), (4, 5040815), (5, 4032652), (10, 2016326), (13, 1551020), (20, 1008163), (26, 775510), (52, 387755), (65, 310204), (130, 155102), (260, 77551)]