20443122

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1927

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 30774798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1823, 1869, 3646, 3738, 5469, 5607, 10938, 11214, 12761, 16407, 25522, 32814, 38283, 76566, 114849, 162247, 229698, 324494, 486741, 973482, 1135729, 1460223, 2271458, 2920446, 3407187, 6814374, 10221561, 20443122]

約数ペア:

[(1, 20443122), (2, 10221561), (3, 6814374), (6, 3407187), (7, 2920446), (9, 2271458), (14, 1460223), (18, 1135729), (21, 973482), (42, 486741), (63, 324494), (89, 229698), (126, 162247), (178, 114849), (267, 76566), (534, 38283), (623, 32814), (801, 25522), (1246, 16407), (1602, 12761), (1823, 11214), (1869, 10938), (3646, 5607), (3738, 5469)]