20183646925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{7621}}^1$

素因数の和:7954

約数の個数: 48

約数和(自身を含む): 27985240080

約数和(自身を除く): 7801593155

約数列:

[1, 5, 13, 25, 29, 65, 145, 281, 325, 377, 725, 1405, 1885, 3653, 7025, 7621, 8149, 9425, 18265, 38105, 40745, 91325, 99073, 105937, 190525, 203725, 221009, 495365, 529685, 1105045, 2141501, 2476825, 2648425, 2873117, 5525225, 10707505, 14365585, 27839513, 53537525, 62103529, 71827925, 139197565, 310517645, 695987825, 807345877, 1552588225, 4036729385, 20183646925]

約数ペア:

[(1, 20183646925), (5, 4036729385), (13, 1552588225), (25, 807345877), (29, 695987825), (65, 310517645), (145, 139197565), (281, 71827925), (325, 62103529), (377, 53537525), (725, 27839513), (1405, 14365585), (1885, 10707505), (3653, 5525225), (7025, 2873117), (7621, 2648425), (8149, 2476825), (9425, 2141501), (18265, 1105045), (38105, 529685), (40745, 495365), (91325, 221009), (99073, 203725), (105937, 190525)]