20424447

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12401}}^1$

素因数の和:12471

約数の個数: 16

約数和(自身を含む): 30756960

約数和(自身を除く): 10332513

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12401, 37203, 111609, 334827, 756461, 2269383, 6808149, 20424447]

約数ペア:

[(1, 20424447), (3, 6808149), (9, 2269383), (27, 756461), (61, 334827), (183, 111609), (549, 37203), (1647, 12401)]