20184190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 39443040

約数和(自身を除く): 19258850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1117, 1390, 1807, 2234, 3614, 5585, 9035, 11170, 14521, 18070, 29042, 72605, 145210, 155263, 310526, 776315, 1552630, 2018419, 4036838, 10092095, 20184190]

約数ペア:

[(1, 20184190), (2, 10092095), (5, 4036838), (10, 2018419), (13, 1552630), (26, 776315), (65, 310526), (130, 155263), (139, 145210), (278, 72605), (695, 29042), (1117, 18070), (1390, 14521), (1807, 11170), (2234, 9035), (3614, 5585)]