20212446

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 22296354

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149, 298, 447, 894, 983, 1966, 2949, 3427, 5898, 6854, 10281, 20562, 22609, 45218, 67827, 135654, 146467, 292934, 439401, 878802, 3368741, 6737482, 10106223, 20212446]

約数ペア:

[(1, 20212446), (2, 10106223), (3, 6737482), (6, 3368741), (23, 878802), (46, 439401), (69, 292934), (138, 146467), (149, 135654), (298, 67827), (447, 45218), (894, 22609), (983, 20562), (1966, 10281), (2949, 6854), (3427, 5898)]