20569354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 35516880

約数和(自身を除く): 14947526

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 269, 346, 442, 538, 2249, 2941, 3497, 4498, 4573, 5882, 6994, 9146, 38233, 46537, 59449, 76466, 93074, 118898, 604981, 791129, 1209962, 1582258, 10284677, 20569354]

約数ペア:

[(1, 20569354), (2, 10284677), (13, 1582258), (17, 1209962), (26, 791129), (34, 604981), (173, 118898), (221, 93074), (269, 76466), (346, 59449), (442, 46537), (538, 38233), (2249, 9146), (2941, 6994), (3497, 5882), (4498, 4573)]