20090174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9781}}^1$

素因数の和:9875

約数の個数: 16

約数和(自身を含む): 32867520

約数和(自身を除く): 12777346

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9781, 19562, 127153, 254306, 772699, 1545398, 10045087, 20090174]

約数ペア:

[(1, 20090174), (2, 10045087), (13, 1545398), (26, 772699), (79, 254306), (158, 127153), (1027, 19562), (2054, 9781)]