20451444804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{953}}^1\times {\mathrm{85159}}^1$

素因数の和:86129

約数の個数: 72

約数和(自身を含む): 59144641920

約数和(自身を除く): 38693197116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 953, 1906, 2859, 3812, 5718, 6671, 8577, 11436, 13342, 17154, 20013, 26684, 34308, 40026, 60039, 80052, 85159, 120078, 170318, 240156, 255477, 340636, 510954, 596113, 766431, 1021908, 1192226, 1532862, 1788339, 2384452, 3065724, 3576678, 5365017, 7153356, 10730034, 21460068, 81156527, 162313054, 243469581, 324626108, 486939162, 568095689, 730408743, 973878324, 1136191378, 1460817486, 1704287067, 2272382756, 2921634972, 3408574134, 5112861201, 6817148268, 10225722402, 20451444804]

約数ペア:

[(1, 20451444804), (2, 10225722402), (3, 6817148268), (4, 5112861201), (6, 3408574134), (7, 2921634972), (9, 2272382756), (12, 1704287067), (14, 1460817486), (18, 1136191378), (21, 973878324), (28, 730408743), (36, 568095689), (42, 486939162), (63, 324626108), (84, 243469581), (126, 162313054), (252, 81156527), (953, 21460068), (1906, 10730034), (2859, 7153356), (3812, 5365017), (5718, 3576678), (6671, 3065724), (8577, 2384452), (11436, 1788339), (13342, 1532862), (17154, 1192226), (20013, 1021908), (26684, 766431), (34308, 596113), (40026, 510954), (60039, 340636), (80052, 255477), (85159, 240156), (120078, 170318)]