20066431

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 25937280

約数和(自身を除く): 5870849

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 631, 649, 2891, 4417, 4543, 6941, 30919, 31801, 37229, 48587, 260603, 340109, 409519, 1824221, 2866633, 20066431]

約数ペア:

[(1, 20066431), (7, 2866633), (11, 1824221), (49, 409519), (59, 340109), (77, 260603), (413, 48587), (539, 37229), (631, 31801), (649, 30919), (2891, 6941), (4417, 4543)]