20451370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88919}}^1$

素因数の和:88949

約数の個数: 16

約数和(自身を含む): 38413440

約数和(自身を除く): 17962070

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 88919, 177838, 444595, 889190, 2045137, 4090274, 10225685, 20451370]

約数ペア:

[(1, 20451370), (2, 10225685), (5, 4090274), (10, 2045137), (23, 889190), (46, 444595), (115, 177838), (230, 88919)]