20512485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65119}}^1$

素因数の和:65137

約数の個数: 24

約数和(自身を含む): 40634880

約数和(自身を除く): 20122395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65119, 195357, 325595, 455833, 586071, 976785, 1367499, 2279165, 2930355, 4102497, 6837495, 20512485]

約数ペア:

[(1, 20512485), (3, 6837495), (5, 4102497), (7, 2930355), (9, 2279165), (15, 1367499), (21, 976785), (35, 586071), (45, 455833), (63, 325595), (105, 195357), (315, 65119)]