20119952

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5639}}^1$

素因数の和:5870

約数の個数: 20

約数和(自身を含む): 39164160

約数和(自身を除く): 19044208

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5639, 11278, 22556, 45112, 90224, 1257497, 2514994, 5029988, 10059976, 20119952]

約数ペア:

[(1, 20119952), (2, 10059976), (4, 5029988), (8, 2514994), (16, 1257497), (223, 90224), (446, 45112), (892, 22556), (1784, 11278), (3568, 5639)]