20388545498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1\times {\mathrm{329773}}^1$

素因数の和:331421

約数の個数: 16

約数和(自身を含む): 32212324320

約数和(自身を除く): 11823778822

約数列:

[1, 2, 19, 38, 1627, 3254, 30913, 61826, 329773, 659546, 6265687, 12531374, 536540671, 1073081342, 10194272749, 20388545498]

約数ペア:

[(1, 20388545498), (2, 10194272749), (19, 1073081342), (38, 536540671), (1627, 12531374), (3254, 6265687), (30913, 659546), (61826, 329773)]