20525018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 13404262

約数列:

[1, 2, 17, 34, 43, 86, 101, 139, 202, 278, 731, 1462, 1717, 2363, 3434, 4343, 4726, 5977, 8686, 11954, 14039, 28078, 73831, 101609, 147662, 203218, 238663, 477326, 603677, 1207354, 10262509, 20525018]

約数ペア:

[(1, 20525018), (2, 10262509), (17, 1207354), (34, 603677), (43, 477326), (86, 238663), (101, 203218), (139, 147662), (202, 101609), (278, 73831), (731, 28078), (1462, 14039), (1717, 11954), (2363, 8686), (3434, 5977), (4343, 4726)]