20350420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6829}}^1$

素因数の和:6987

約数の個数: 24

約数和(自身を含む): 43029000

約数和(自身を除く): 22678580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6829, 13658, 27316, 34145, 68290, 136580, 1017521, 2035042, 4070084, 5087605, 10175210, 20350420]

約数ペア:

[(1, 20350420), (2, 10175210), (4, 5087605), (5, 4070084), (10, 2035042), (20, 1017521), (149, 136580), (298, 68290), (596, 34145), (745, 27316), (1490, 13658), (2980, 6829)]