20239245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 39115440

約数和(自身を除く): 18876195

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1193, 1305, 1885, 3393, 3579, 5655, 5965, 10737, 15509, 16965, 17895, 34597, 46527, 53685, 77545, 103791, 139581, 172985, 232635, 311373, 449761, 518955, 697905, 1349283, 1556865, 2248805, 4047849, 6746415, 20239245]

約数ペア:

[(1, 20239245), (3, 6746415), (5, 4047849), (9, 2248805), (13, 1556865), (15, 1349283), (29, 697905), (39, 518955), (45, 449761), (65, 311373), (87, 232635), (117, 172985), (145, 139581), (195, 103791), (261, 77545), (377, 53685), (435, 46527), (585, 34597), (1131, 17895), (1193, 16965), (1305, 15509), (1885, 10737), (3393, 5965), (3579, 5655)]