20139020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91541}}^1$

素因数の和:91561

約数の個数: 24

約数和(自身を含む): 46137168

約数和(自身を除く): 25998148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91541, 183082, 366164, 457705, 915410, 1006951, 1830820, 2013902, 4027804, 5034755, 10069510, 20139020]

約数ペア:

[(1, 20139020), (2, 10069510), (4, 5034755), (5, 4027804), (10, 2013902), (11, 1830820), (20, 1006951), (22, 915410), (44, 457705), (55, 366164), (110, 183082), (220, 91541)]