20571950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 44595360

約数和(自身を除く): 24023410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1109, 1325, 1855, 2218, 2650, 3710, 5545, 7763, 9275, 11090, 15526, 18550, 27725, 38815, 55450, 58777, 77630, 117554, 194075, 293885, 388150, 411439, 587770, 822878, 1469425, 2057195, 2938850, 4114390, 10285975, 20571950]

約数ペア:

[(1, 20571950), (2, 10285975), (5, 4114390), (7, 2938850), (10, 2057195), (14, 1469425), (25, 822878), (35, 587770), (50, 411439), (53, 388150), (70, 293885), (106, 194075), (175, 117554), (265, 77630), (350, 58777), (371, 55450), (530, 38815), (742, 27725), (1109, 18550), (1325, 15526), (1855, 11090), (2218, 9275), (2650, 7763), (3710, 5545)]