20376915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15185325

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 1259, 3237, 3777, 5395, 6295, 16185, 16367, 18885, 49101, 81835, 104497, 245505, 313491, 522485, 1358461, 1567455, 4075383, 6792305, 20376915]

約数ペア:

[(1, 20376915), (3, 6792305), (5, 4075383), (13, 1567455), (15, 1358461), (39, 522485), (65, 313491), (83, 245505), (195, 104497), (249, 81835), (415, 49101), (1079, 18885), (1245, 16367), (1259, 16185), (3237, 6295), (3777, 5395)]