20883886

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 33313320

約数和(自身を除く): 12429434

約数列:

[1, 2, 29, 47, 58, 94, 163, 326, 1363, 2209, 2726, 4418, 4727, 7661, 9454, 15322, 64061, 128122, 222169, 360067, 444338, 720134, 10441943, 20883886]

約数ペア:

[(1, 20883886), (2, 10441943), (29, 720134), (47, 444338), (58, 360067), (94, 222169), (163, 128122), (326, 64061), (1363, 15322), (2209, 9454), (2726, 7661), (4418, 4727)]