20175213

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5393}}^1$

素因数の和:5468

約数の個数: 16

約数和(自身を含む): 28480320

約数和(自身を除く): 8305107

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5393, 16179, 156397, 231899, 469191, 695697, 6725071, 20175213]

約数ペア:

[(1, 20175213), (3, 6725071), (29, 695697), (43, 469191), (87, 231899), (129, 156397), (1247, 16179), (3741, 5393)]