20720019678

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{418637}}^1$

素因数の和:418828

約数の個数: 32

約数和(自身を含む): 42379562016

約数和(自身を除く): 21659542338

約数列:

[1, 2, 3, 6, 73, 113, 146, 219, 226, 339, 438, 678, 8249, 16498, 24747, 49494, 418637, 837274, 1255911, 2511822, 30560501, 47305981, 61121002, 91681503, 94611962, 141917943, 183363006, 283835886, 3453336613, 6906673226, 10360009839, 20720019678]

約数ペア:

[(1, 20720019678), (2, 10360009839), (3, 6906673226), (6, 3453336613), (73, 283835886), (113, 183363006), (146, 141917943), (219, 94611962), (226, 91681503), (339, 61121002), (438, 47305981), (678, 30560501), (8249, 2511822), (16498, 1255911), (24747, 837274), (49494, 418637)]