20702930499

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{23189}}^1$

素因数の和:23464

約数の個数: 48

約数和(自身を含む): 32992876800

約数和(自身を除く): 12289946301

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 227, 437, 681, 1311, 2043, 3933, 4313, 5221, 12939, 15663, 23189, 38817, 46989, 69567, 99199, 208701, 297597, 440591, 533347, 892791, 1321773, 1600041, 3965319, 4800123, 5263903, 10133593, 15791709, 30400779, 47375127, 91202337, 100014157, 121069769, 300042471, 363209307, 900127413, 1089627921, 2300325611, 6900976833, 20702930499]

約数ペア:

[(1, 20702930499), (3, 6900976833), (9, 2300325611), (19, 1089627921), (23, 900127413), (57, 363209307), (69, 300042471), (171, 121069769), (207, 100014157), (227, 91202337), (437, 47375127), (681, 30400779), (1311, 15791709), (2043, 10133593), (3933, 5263903), (4313, 4800123), (5221, 3965319), (12939, 1600041), (15663, 1321773), (23189, 892791), (38817, 533347), (46989, 440591), (69567, 297597), (99199, 208701)]