20500042

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{619}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 31917600

約数和(自身を除く): 11417558

約数列:

[1, 2, 29, 58, 571, 619, 1142, 1238, 16559, 17951, 33118, 35902, 353449, 706898, 10250021, 20500042]

約数ペア:

[(1, 20500042), (2, 10250021), (29, 706898), (58, 353449), (571, 35902), (619, 33118), (1142, 17951), (1238, 16559)]