20875010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 20009470

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1559, 2678, 3118, 6695, 7795, 13390, 15590, 20267, 40534, 101335, 160577, 202670, 321154, 802885, 1605770, 2087501, 4175002, 10437505, 20875010]

約数ペア:

[(1, 20875010), (2, 10437505), (5, 4175002), (10, 2087501), (13, 1605770), (26, 802885), (65, 321154), (103, 202670), (130, 160577), (206, 101335), (515, 40534), (1030, 20267), (1339, 15590), (1559, 13390), (2678, 7795), (3118, 6695)]