22320980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 29570860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1429, 1562, 2858, 3124, 3905, 5716, 7145, 7810, 14290, 15620, 15719, 28580, 31438, 62876, 78595, 101459, 157190, 202918, 314380, 405836, 507295, 1014590, 1116049, 2029180, 2232098, 4464196, 5580245, 11160490, 22320980]

約数ペア:

[(1, 22320980), (2, 11160490), (4, 5580245), (5, 4464196), (10, 2232098), (11, 2029180), (20, 1116049), (22, 1014590), (44, 507295), (55, 405836), (71, 314380), (110, 202918), (142, 157190), (220, 101459), (284, 78595), (355, 62876), (710, 31438), (781, 28580), (1420, 15719), (1429, 15620), (1562, 14290), (2858, 7810), (3124, 7145), (3905, 5716)]