20428238

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 31806000

約数和(自身を除く): 11377762

約数列:

[1, 2, 29, 58, 569, 619, 1138, 1238, 16501, 17951, 33002, 35902, 352211, 704422, 10214119, 20428238]

約数ペア:

[(1, 20428238), (2, 10214119), (29, 704422), (58, 352211), (569, 35902), (619, 33002), (1138, 17951), (1238, 16501)]