20115212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13339}}^1$

素因数の和:13385

約数の個数: 24

約数和(自身を含む): 39219600

約数和(自身を除く): 19104388

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13339, 26678, 53356, 173407, 346814, 386831, 693628, 773662, 1547324, 5028803, 10057606, 20115212]

約数ペア:

[(1, 20115212), (2, 10057606), (4, 5028803), (13, 1547324), (26, 773662), (29, 693628), (52, 386831), (58, 346814), (116, 173407), (377, 53356), (754, 26678), (1508, 13339)]