20118238

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 36850176

約数和(自身を除く): 16731938

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1453, 1978, 2906, 6923, 10171, 13846, 20342, 33419, 62479, 66838, 124958, 233933, 437353, 467866, 874706, 1437017, 2874034, 10059119, 20118238]

約数ペア:

[(1, 20118238), (2, 10059119), (7, 2874034), (14, 1437017), (23, 874706), (43, 467866), (46, 437353), (86, 233933), (161, 124958), (301, 66838), (322, 62479), (602, 33419), (989, 20342), (1453, 13846), (1978, 10171), (2906, 6923)]