20551206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7121}}^1$

素因数の和:7176

約数の個数: 32

約数和(自身を含む): 45466848

約数和(自身を除く): 24915642

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7121, 14242, 21363, 42726, 92573, 185146, 263477, 277719, 526954, 555438, 790431, 1580862, 3425201, 6850402, 10275603, 20551206]

約数ペア:

[(1, 20551206), (2, 10275603), (3, 6850402), (6, 3425201), (13, 1580862), (26, 790431), (37, 555438), (39, 526954), (74, 277719), (78, 263477), (111, 185146), (222, 92573), (481, 42726), (962, 21363), (1443, 14242), (2886, 7121)]