20415352

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 40229280

約数和(自身を除く): 19813928

約数列:

[1, 2, 4, 8, 23, 46, 92, 181, 184, 362, 613, 724, 1226, 1448, 2452, 4163, 4904, 8326, 14099, 16652, 28198, 33304, 56396, 110953, 112792, 221906, 443812, 887624, 2551919, 5103838, 10207676, 20415352]

約数ペア:

[(1, 20415352), (2, 10207676), (4, 5103838), (8, 2551919), (23, 887624), (46, 443812), (92, 221906), (181, 112792), (184, 110953), (362, 56396), (613, 33304), (724, 28198), (1226, 16652), (1448, 14099), (2452, 8326), (4163, 4904)]