20630948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13681}}^1$

素因数の和:13727

約数の個数: 24

約数和(自身を含む): 40225080

約数和(自身を除く): 19594132

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13681, 27362, 54724, 177853, 355706, 396749, 711412, 793498, 1586996, 5157737, 10315474, 20630948]

約数ペア:

[(1, 20630948), (2, 10315474), (4, 5157737), (13, 1586996), (26, 793498), (29, 711412), (52, 396749), (58, 355706), (116, 177853), (377, 54724), (754, 27362), (1508, 13681)]