20889936

素因数分解:

$2^4\times 3^2\times {\mathrm{145069}}^1$

素因数の和:145083

約数の個数: 30

約数和(自身を含む): 58463210

約数和(自身を除く): 37573274

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145069, 290138, 435207, 580276, 870414, 1160552, 1305621, 1740828, 2321104, 2611242, 3481656, 5222484, 6963312, 10444968, 20889936]

約数ペア:

[(1, 20889936), (2, 10444968), (3, 6963312), (4, 5222484), (6, 3481656), (8, 2611242), (9, 2321104), (12, 1740828), (16, 1305621), (18, 1160552), (24, 870414), (36, 580276), (48, 435207), (72, 290138), (144, 145069)]