20201125581

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{59723}}^1$

素因数の和:59815

約数の個数: 72

約数和(自身を含む): 37174606560

約数和(自身を除く): 16973480979

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 59, 63, 91, 117, 147, 177, 273, 413, 441, 531, 637, 767, 819, 1239, 1911, 2301, 2891, 3717, 5369, 5733, 6903, 8673, 16107, 26019, 37583, 48321, 59723, 112749, 179169, 338247, 418061, 537507, 776399, 1254183, 2329197, 2926427, 3523657, 3762549, 5434793, 6987591, 8779281, 10570971, 16304379, 24665599, 26337843, 31712913, 38043551, 45807541, 48913137, 73996797, 114130653, 137422623, 172659193, 221990391, 320652787, 342391959, 412267869, 517977579, 961958361, 1553932737, 2244569509, 2885875083, 6733708527, 20201125581]

約数ペア:

[(1, 20201125581), (3, 6733708527), (7, 2885875083), (9, 2244569509), (13, 1553932737), (21, 961958361), (39, 517977579), (49, 412267869), (59, 342391959), (63, 320652787), (91, 221990391), (117, 172659193), (147, 137422623), (177, 114130653), (273, 73996797), (413, 48913137), (441, 45807541), (531, 38043551), (637, 31712913), (767, 26337843), (819, 24665599), (1239, 16304379), (1911, 10570971), (2301, 8779281), (2891, 6987591), (3717, 5434793), (5369, 3762549), (5733, 3523657), (6903, 2926427), (8673, 2329197), (16107, 1254183), (26019, 776399), (37583, 537507), (48321, 418061), (59723, 338247), (112749, 179169)]