20115198

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30203}}^1$

素因数の和:30248

約数の個数: 24

約数和(自身を含む): 44762328

約数和(自身を除く): 24647130

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30203, 60406, 90609, 181218, 271827, 543654, 1117511, 2235022, 3352533, 6705066, 10057599, 20115198]

約数ペア:

[(1, 20115198), (2, 10057599), (3, 6705066), (6, 3352533), (9, 2235022), (18, 1117511), (37, 543654), (74, 271827), (111, 181218), (222, 90609), (333, 60406), (666, 30203)]