20889078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2081}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 47969280

約数和(自身を除く): 27080202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 239, 478, 717, 1434, 1673, 2081, 3346, 4162, 5019, 6243, 10038, 12486, 14567, 29134, 43701, 87402, 497359, 994718, 1492077, 2984154, 3481513, 6963026, 10444539, 20889078]

約数ペア:

[(1, 20889078), (2, 10444539), (3, 6963026), (6, 3481513), (7, 2984154), (14, 1492077), (21, 994718), (42, 497359), (239, 87402), (478, 43701), (717, 29134), (1434, 14567), (1673, 12486), (2081, 10038), (3346, 6243), (4162, 5019)]