20170123547

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1\times {\mathrm{20129}}^1$

素因数の和:20950

約数の個数: 16

約数和(自身を含む): 23183962560

約数和(自身を除く): 3013839013

約数列:

[1, 7, 257, 557, 1799, 3899, 20129, 140903, 143149, 1002043, 5173153, 11211853, 36212071, 78482971, 2881446221, 20170123547]

約数ペア:

[(1, 20170123547), (7, 2881446221), (257, 78482971), (557, 36212071), (1799, 11211853), (3899, 5173153), (20129, 1002043), (140903, 143149)]