20307724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4091}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 38153808

約数和(自身を除く): 17846084

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4091, 4964, 8182, 16364, 69547, 139094, 278188, 298643, 597286, 1194572, 5076931, 10153862, 20307724]

約数ペア:

[(1, 20307724), (2, 10153862), (4, 5076931), (17, 1194572), (34, 597286), (68, 298643), (73, 278188), (146, 139094), (292, 69547), (1241, 16364), (2482, 8182), (4091, 4964)]