20058550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12941}}^1$

素因数の和:12984

約数の個数: 24

約数和(自身を含む): 38515392

約数和(自身を除く): 18456842

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12941, 25882, 64705, 129410, 323525, 401171, 647050, 802342, 2005855, 4011710, 10029275, 20058550]

約数ペア:

[(1, 20058550), (2, 10029275), (5, 4011710), (10, 2005855), (25, 802342), (31, 647050), (50, 401171), (62, 323525), (155, 129410), (310, 64705), (775, 25882), (1550, 12941)]