20856570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99317}}^1$

素因数の和:99334

約数の個数: 32

約数和(自身を含む): 57207168

約数和(自身を除く): 36350598

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99317, 198634, 297951, 496585, 595902, 695219, 993170, 1390438, 1489755, 2085657, 2979510, 3476095, 4171314, 6952190, 10428285, 20856570]

約数ペア:

[(1, 20856570), (2, 10428285), (3, 6952190), (5, 4171314), (6, 3476095), (7, 2979510), (10, 2085657), (14, 1489755), (15, 1390438), (21, 993170), (30, 695219), (35, 595902), (42, 496585), (70, 297951), (105, 198634), (210, 99317)]