20463135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 41565312

約数和(自身を除く): 21102177

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2531, 2695, 7593, 8085, 12655, 17717, 27841, 37965, 53151, 83523, 88585, 124019, 139205, 194887, 265755, 372057, 417615, 584661, 620095, 974435, 1364209, 1860285, 2923305, 4092627, 6821045, 20463135]

約数ペア:

[(1, 20463135), (3, 6821045), (5, 4092627), (7, 2923305), (11, 1860285), (15, 1364209), (21, 974435), (33, 620095), (35, 584661), (49, 417615), (55, 372057), (77, 265755), (105, 194887), (147, 139205), (165, 124019), (231, 88585), (245, 83523), (385, 53151), (539, 37965), (735, 27841), (1155, 17717), (1617, 12655), (2531, 8085), (2695, 7593)]