17536420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 40723200

約数和(自身を除く): 23186780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1009, 1580, 1738, 2018, 3476, 4036, 4345, 5045, 8690, 10090, 11099, 17380, 20180, 22198, 44396, 55495, 79711, 110990, 159422, 221980, 318844, 398555, 797110, 876821, 1594220, 1753642, 3507284, 4384105, 8768210, 17536420]

約数ペア:

[(1, 17536420), (2, 8768210), (4, 4384105), (5, 3507284), (10, 1753642), (11, 1594220), (20, 876821), (22, 797110), (44, 398555), (55, 318844), (79, 221980), (110, 159422), (158, 110990), (220, 79711), (316, 55495), (395, 44396), (790, 22198), (869, 20180), (1009, 17380), (1580, 11099), (1738, 10090), (2018, 8690), (3476, 5045), (4036, 4345)]