20479902

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 42731520

約数和(自身を除く): 22251618

約数列:

[1, 2, 3, 6, 31, 62, 93, 103, 186, 206, 309, 618, 1069, 2138, 3193, 3207, 6386, 6414, 9579, 19158, 33139, 66278, 99417, 110107, 198834, 220214, 330321, 660642, 3413317, 6826634, 10239951, 20479902]

約数ペア:

[(1, 20479902), (2, 10239951), (3, 6826634), (6, 3413317), (31, 660642), (62, 330321), (93, 220214), (103, 198834), (186, 110107), (206, 99417), (309, 66278), (618, 33139), (1069, 19158), (2138, 9579), (3193, 6414), (3207, 6386)]