20039188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4643}}^1$

素因数の和:4743

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 18190220

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4643, 9286, 18572, 60359, 120718, 241436, 385369, 770738, 1541476, 5009797, 10019594, 20039188]

約数ペア:

[(1, 20039188), (2, 10019594), (4, 5009797), (13, 1541476), (26, 770738), (52, 385369), (83, 241436), (166, 120718), (332, 60359), (1079, 18572), (2158, 9286), (4316, 4643)]