20465148

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 52424064

約数和(自身を除く): 31958916

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 787, 788, 1182, 1574, 2167, 2361, 2364, 3148, 4334, 4722, 6501, 8657, 8668, 9444, 13002, 17314, 25971, 26004, 34628, 51942, 103884, 155039, 310078, 465117, 620156, 930234, 1705429, 1860468, 3410858, 5116287, 6821716, 10232574, 20465148]

約数ペア:

[(1, 20465148), (2, 10232574), (3, 6821716), (4, 5116287), (6, 3410858), (11, 1860468), (12, 1705429), (22, 930234), (33, 620156), (44, 465117), (66, 310078), (132, 155039), (197, 103884), (394, 51942), (591, 34628), (787, 26004), (788, 25971), (1182, 17314), (1574, 13002), (2167, 9444), (2361, 8668), (2364, 8657), (3148, 6501), (4334, 4722)]