20115572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1093}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 36390816

約数和(自身を除く): 16275244

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 1093, 2186, 4372, 4601, 9202, 18404, 46999, 93998, 116951, 187996, 233902, 467804, 5028893, 10057786, 20115572]

約数ペア:

[(1, 20115572), (2, 10057786), (4, 5028893), (43, 467804), (86, 233902), (107, 187996), (172, 116951), (214, 93998), (428, 46999), (1093, 18404), (2186, 9202), (4372, 4601)]