15820021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1013}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 19079424

約数和(自身を除く): 3259403

約数列:

[1, 7, 23, 97, 161, 679, 1013, 2231, 7091, 15617, 23299, 98261, 163093, 687827, 2260003, 15820021]

約数ペア:

[(1, 15820021), (7, 2260003), (23, 687827), (97, 163093), (161, 98261), (679, 23299), (1013, 15617), (2231, 7091)]