20380493068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{600203}}^1$

素因数の和:600873

約数の個数: 24

約数和(自身を含む): 38468274768

約数和(自身を除く): 18087781700

約数列:

[1, 2, 4, 13, 26, 52, 653, 1306, 2612, 8489, 16978, 33956, 600203, 1200406, 2400812, 7802639, 15605278, 31210556, 391932559, 783865118, 1567730236, 5095123267, 10190246534, 20380493068]

約数ペア:

[(1, 20380493068), (2, 10190246534), (4, 5095123267), (13, 1567730236), (26, 783865118), (52, 391932559), (653, 31210556), (1306, 15605278), (2612, 7802639), (8489, 2400812), (16978, 1200406), (33956, 600203)]