20898028

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 37961280

約数和(自身を除く): 17063252

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1613, 3226, 3239, 6452, 6478, 12956, 66133, 127427, 132266, 254854, 264532, 509708, 5224507, 10449014, 20898028]

約数ペア:

[(1, 20898028), (2, 10449014), (4, 5224507), (41, 509708), (79, 264532), (82, 254854), (158, 132266), (164, 127427), (316, 66133), (1613, 12956), (3226, 6478), (3239, 6452)]