20719035

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1471}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 36052224

約数和(自身を除く): 15333189

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1471, 1565, 2817, 4413, 4695, 7355, 13239, 14085, 22065, 66195, 460423, 1381269, 2302115, 4143807, 6906345, 20719035]

約数ペア:

[(1, 20719035), (3, 6906345), (5, 4143807), (9, 2302115), (15, 1381269), (45, 460423), (313, 66195), (939, 22065), (1471, 14085), (1565, 13239), (2817, 7355), (4413, 4695)]