20365708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1801}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 39052944

約数和(自身を除く): 18687236

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1801, 2827, 3602, 5654, 7204, 11308, 19811, 39622, 79244, 462857, 925714, 1851428, 5091427, 10182854, 20365708]

約数ペア:

[(1, 20365708), (2, 10182854), (4, 5091427), (11, 1851428), (22, 925714), (44, 462857), (257, 79244), (514, 39622), (1028, 19811), (1801, 11308), (2827, 7204), (3602, 5654)]