20219655

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 13050105

約数列:

[1, 3, 5, 15, 79, 113, 151, 237, 339, 395, 453, 565, 755, 1185, 1695, 2265, 8927, 11929, 17063, 26781, 35787, 44635, 51189, 59645, 85315, 133905, 178935, 255945, 1347977, 4043931, 6739885, 20219655]

約数ペア:

[(1, 20219655), (3, 6739885), (5, 4043931), (15, 1347977), (79, 255945), (113, 178935), (151, 133905), (237, 85315), (339, 59645), (395, 51189), (453, 44635), (565, 35787), (755, 26781), (1185, 17063), (1695, 11929), (2265, 8927)]