20080811031

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1\times {\mathrm{2129}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 27555111360

約数和(自身を除く): 7474300329

約数列:

[1, 3, 53, 137, 159, 411, 433, 1299, 2129, 6387, 7261, 21783, 22949, 59321, 68847, 112837, 177963, 291673, 338511, 875019, 921857, 2765571, 3144013, 9432039, 15458669, 46376007, 48858421, 126294409, 146575263, 378883227, 6693603677, 20080811031]

約数ペア:

[(1, 20080811031), (3, 6693603677), (53, 378883227), (137, 146575263), (159, 126294409), (411, 48858421), (433, 46376007), (1299, 15458669), (2129, 9432039), (6387, 3144013), (7261, 2765571), (21783, 921857), (22949, 875019), (59321, 338511), (68847, 291673), (112837, 177963)]