20167180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 48288240

約数和(自身を除く): 28121060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 109, 110, 116, 145, 218, 220, 290, 319, 436, 545, 580, 638, 841, 1090, 1199, 1276, 1595, 1682, 2180, 2398, 3161, 3190, 3364, 4205, 4796, 5995, 6322, 6380, 8410, 9251, 11990, 12644, 15805, 16820, 18502, 23980, 31610, 34771, 37004, 46255, 63220, 69542, 91669, 92510, 139084, 173855, 183338, 185020, 347710, 366676, 458345, 695420, 916690, 1008359, 1833380, 2016718, 4033436, 5041795, 10083590, 20167180]

約数ペア:

[(1, 20167180), (2, 10083590), (4, 5041795), (5, 4033436), (10, 2016718), (11, 1833380), (20, 1008359), (22, 916690), (29, 695420), (44, 458345), (55, 366676), (58, 347710), (109, 185020), (110, 183338), (116, 173855), (145, 139084), (218, 92510), (220, 91669), (290, 69542), (319, 63220), (436, 46255), (545, 37004), (580, 34771), (638, 31610), (841, 23980), (1090, 18502), (1199, 16820), (1276, 15805), (1595, 12644), (1682, 11990), (2180, 9251), (2398, 8410), (3161, 6380), (3190, 6322), (3364, 5995), (4205, 4796)]