20807521064

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{2917}}^1\times {\mathrm{7369}}^1$

素因数の和:10314

約数の個数: 48

約数和(自身を含む): 42903791700

約数和(自身を除く): 22096270636

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 2917, 5834, 7369, 11668, 14738, 23336, 29476, 32087, 58952, 64174, 81059, 128348, 162118, 256696, 324236, 352957, 648472, 705914, 891649, 1411828, 1783298, 2823656, 3566596, 7133192, 21495373, 42990746, 85981492, 171962984, 236449103, 472898206, 945796412, 1891592824, 2600940133, 5201880266, 10403760532, 20807521064]

約数ペア:

[(1, 20807521064), (2, 10403760532), (4, 5201880266), (8, 2600940133), (11, 1891592824), (22, 945796412), (44, 472898206), (88, 236449103), (121, 171962984), (242, 85981492), (484, 42990746), (968, 21495373), (2917, 7133192), (5834, 3566596), (7369, 2823656), (11668, 1783298), (14738, 1411828), (23336, 891649), (29476, 705914), (32087, 648472), (58952, 352957), (64174, 324236), (81059, 256696), (128348, 162118)]