20852050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5279}}^1$

素因数の和:5370

約数の個数: 24

約数和(自身を含む): 39283200

約数和(自身を除く): 18431150

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5279, 10558, 26395, 52790, 131975, 263950, 417041, 834082, 2085205, 4170410, 10426025, 20852050]

約数ペア:

[(1, 20852050), (2, 10426025), (5, 4170410), (10, 2085205), (25, 834082), (50, 417041), (79, 263950), (158, 131975), (395, 52790), (790, 26395), (1975, 10558), (3950, 5279)]