20862465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 15546495

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 1289, 3237, 3867, 5395, 6445, 16185, 16757, 19335, 50271, 83785, 106987, 251355, 320961, 534935, 1390831, 1604805, 4172493, 6954155, 20862465]

約数ペア:

[(1, 20862465), (3, 6954155), (5, 4172493), (13, 1604805), (15, 1390831), (39, 534935), (65, 320961), (83, 251355), (195, 106987), (249, 83785), (415, 50271), (1079, 19335), (1245, 16757), (1289, 16185), (3237, 6445), (3867, 5395)]