20708248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7591}}^1$

素因数の和:7639

約数の個数: 32

約数和(自身を含む): 43729920

約数和(自身を除く): 23021672

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7591, 15182, 30364, 60728, 83501, 167002, 235321, 334004, 470642, 668008, 941284, 1882568, 2588531, 5177062, 10354124, 20708248]

約数ペア:

[(1, 20708248), (2, 10354124), (4, 5177062), (8, 2588531), (11, 1882568), (22, 941284), (31, 668008), (44, 470642), (62, 334004), (88, 235321), (124, 167002), (248, 83501), (341, 60728), (682, 30364), (1364, 15182), (2728, 7591)]