20327505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 35683200

約数和(自身を除く): 15355695

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 349, 353, 1047, 1059, 1745, 1765, 3839, 3883, 5235, 5295, 11517, 11649, 19195, 19415, 57585, 58245, 123197, 369591, 615985, 1355167, 1847955, 4065501, 6775835, 20327505]

約数ペア:

[(1, 20327505), (3, 6775835), (5, 4065501), (11, 1847955), (15, 1355167), (33, 615985), (55, 369591), (165, 123197), (349, 58245), (353, 57585), (1047, 19415), (1059, 19195), (1745, 11649), (1765, 11517), (3839, 5295), (3883, 5235)]