20138532016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17727581}}^1$

素因数の和:17727660

約数の個数: 20

約数和(自身を含む): 39567963024

約数和(自身を除く): 19429431008

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17727581, 35455162, 70910324, 141820648, 283641296, 1258658251, 2517316502, 5034633004, 10069266008, 20138532016]

約数ペア:

[(1, 20138532016), (2, 10069266008), (4, 5034633004), (8, 2517316502), (16, 1258658251), (71, 283641296), (142, 141820648), (284, 70910324), (568, 35455162), (1136, 17727581)]