20902188

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 29659092

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 179, 222, 263, 358, 444, 526, 537, 716, 789, 1052, 1074, 1578, 2148, 3156, 6623, 9731, 13246, 19462, 19869, 26492, 29193, 38924, 39738, 47077, 58386, 79476, 94154, 116772, 141231, 188308, 282462, 564924, 1741849, 3483698, 5225547, 6967396, 10451094, 20902188]

約数ペア:

[(1, 20902188), (2, 10451094), (3, 6967396), (4, 5225547), (6, 3483698), (12, 1741849), (37, 564924), (74, 282462), (111, 188308), (148, 141231), (179, 116772), (222, 94154), (263, 79476), (358, 58386), (444, 47077), (526, 39738), (537, 38924), (716, 29193), (789, 26492), (1052, 19869), (1074, 19462), (1578, 13246), (2148, 9731), (3156, 6623)]