20889244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4831}}^1$

素因数の和:4905

約数の個数: 24

約数和(自身を含む): 38965248

約数和(自身を除く): 18076004

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4831, 9662, 19324, 111113, 222226, 227057, 444452, 454114, 908228, 5222311, 10444622, 20889244]

約数ペア:

[(1, 20889244), (2, 10444622), (4, 5222311), (23, 908228), (46, 454114), (47, 444452), (92, 227057), (94, 222226), (188, 111113), (1081, 19324), (2162, 9662), (4324, 4831)]