20537415

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 36792000

約数和(自身を除く): 16254585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1021, 1341, 2235, 3063, 4023, 5105, 6705, 9189, 15315, 20115, 27567, 45945, 137835, 152129, 456387, 760645, 1369161, 2281935, 4107483, 6845805, 20537415]

約数ペア:

[(1, 20537415), (3, 6845805), (5, 4107483), (9, 2281935), (15, 1369161), (27, 760645), (45, 456387), (135, 152129), (149, 137835), (447, 45945), (745, 27567), (1021, 20115), (1341, 15315), (2235, 9189), (3063, 6705), (4023, 5105)]