20806496

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15121}}^1$

素因数の和:15174

約数の個数: 24

約数和(自身を含む): 41918184

約数和(自身を除く): 21111688

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15121, 30242, 60484, 120968, 241936, 483872, 650203, 1300406, 2600812, 5201624, 10403248, 20806496]

約数ペア:

[(1, 20806496), (2, 10403248), (4, 5201624), (8, 2600812), (16, 1300406), (32, 650203), (43, 483872), (86, 241936), (172, 120968), (344, 60484), (688, 30242), (1376, 15121)]