20356347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10747653

約数列:

[1, 3, 11, 29, 33, 87, 89, 239, 267, 319, 717, 957, 979, 2581, 2629, 2937, 6931, 7743, 7887, 20793, 21271, 28391, 63813, 76241, 85173, 228723, 233981, 616859, 701943, 1850577, 6785449, 20356347]

約数ペア:

[(1, 20356347), (3, 6785449), (11, 1850577), (29, 701943), (33, 616859), (87, 233981), (89, 228723), (239, 85173), (267, 76241), (319, 63813), (717, 28391), (957, 21271), (979, 20793), (2581, 7887), (2629, 7743), (2937, 6931)]