20192084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 40346880

約数和(自身を除く): 20154796

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 79, 148, 157, 158, 314, 316, 407, 628, 814, 869, 1628, 1727, 1738, 2923, 3454, 3476, 5809, 5846, 6908, 11618, 11692, 12403, 23236, 24806, 32153, 49612, 63899, 64306, 127798, 128612, 136433, 255596, 272866, 458911, 545732, 917822, 1835644, 5048021, 10096042, 20192084]

約数ペア:

[(1, 20192084), (2, 10096042), (4, 5048021), (11, 1835644), (22, 917822), (37, 545732), (44, 458911), (74, 272866), (79, 255596), (148, 136433), (157, 128612), (158, 127798), (314, 64306), (316, 63899), (407, 49612), (628, 32153), (814, 24806), (869, 23236), (1628, 12403), (1727, 11692), (1738, 11618), (2923, 6908), (3454, 5846), (3476, 5809)]