20765355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 36239616

約数和(自身を除く): 15474261

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 1283, 3237, 3849, 5395, 6415, 16185, 16679, 19245, 50037, 83395, 106489, 250185, 319467, 532445, 1384357, 1597335, 4153071, 6921785, 20765355]

約数ペア:

[(1, 20765355), (3, 6921785), (5, 4153071), (13, 1597335), (15, 1384357), (39, 532445), (65, 319467), (83, 250185), (195, 106489), (249, 83395), (415, 50037), (1079, 19245), (1245, 16679), (1283, 16185), (3237, 6415), (3849, 5395)]