20512374020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1\times {\mathrm{19739}}^1$

素因数の和:20204

約数の個数: 48

約数和(自身を含む): 43457057280

約数和(自身を除く): 22944683260

約数列:

[1, 2, 4, 5, 10, 20, 223, 233, 446, 466, 892, 932, 1115, 1165, 2230, 2330, 4460, 4660, 19739, 39478, 51959, 78956, 98695, 103918, 197390, 207836, 259795, 394780, 519590, 1039180, 4401797, 4599187, 8803594, 9198374, 17607188, 18396748, 22008985, 22995935, 44017970, 45991870, 88035940, 91983740, 1025618701, 2051237402, 4102474804, 5128093505, 10256187010, 20512374020]

約数ペア:

[(1, 20512374020), (2, 10256187010), (4, 5128093505), (5, 4102474804), (10, 2051237402), (20, 1025618701), (223, 91983740), (233, 88035940), (446, 45991870), (466, 44017970), (892, 22995935), (932, 22008985), (1115, 18396748), (1165, 17607188), (2230, 9198374), (2330, 8803594), (4460, 4599187), (4660, 4401797), (19739, 1039180), (39478, 519590), (51959, 394780), (78956, 259795), (98695, 207836), (103918, 197390)]