20515402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23473}}^1$

素因数の和:23517

約数の個数: 16

約数和(自身を含む): 33802560

約数和(自身を除く): 13287158

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23473, 46946, 445987, 539879, 891974, 1079758, 10257701, 20515402]

約数ペア:

[(1, 20515402), (2, 10257701), (19, 1079758), (23, 891974), (38, 539879), (46, 445987), (437, 46946), (874, 23473)]