20855090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 40362624

約数和(自身を除く): 19507534

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1831, 2278, 3662, 5695, 9155, 11390, 18310, 31127, 62254, 122677, 155635, 245354, 311270, 613385, 1226770, 2085509, 4171018, 10427545, 20855090]

約数ペア:

[(1, 20855090), (2, 10427545), (5, 4171018), (10, 2085509), (17, 1226770), (34, 613385), (67, 311270), (85, 245354), (134, 155635), (170, 122677), (335, 62254), (670, 31127), (1139, 18310), (1831, 11390), (2278, 9155), (3662, 5695)]