20567950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31643}}^1$

素因数の和:31668

約数の個数: 24

約数和(自身を含む): 41200488

約数和(自身を除く): 20632538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31643, 63286, 158215, 316430, 411359, 791075, 822718, 1582150, 2056795, 4113590, 10283975, 20567950]

約数ペア:

[(1, 20567950), (2, 10283975), (5, 4113590), (10, 2056795), (13, 1582150), (25, 822718), (26, 791075), (50, 411359), (65, 316430), (130, 158215), (325, 63286), (650, 31643)]