20399426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17317}}^1$

素因数の和:17369

約数の個数: 16

約数和(自身を含む): 33250560

約数和(自身を除く): 12851134

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17317, 34634, 329023, 536827, 658046, 1073654, 10199713, 20399426]

約数ペア:

[(1, 20399426), (2, 10199713), (19, 1073654), (31, 658046), (38, 536827), (62, 329023), (589, 34634), (1178, 17317)]