20369992

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 39110400

約数和(自身を除く): 18740408

約数列:

[1, 2, 4, 8, 79, 158, 167, 193, 316, 334, 386, 632, 668, 772, 1336, 1544, 13193, 15247, 26386, 30494, 32231, 52772, 60988, 64462, 105544, 121976, 128924, 257848, 2546249, 5092498, 10184996, 20369992]

約数ペア:

[(1, 20369992), (2, 10184996), (4, 5092498), (8, 2546249), (79, 257848), (158, 128924), (167, 121976), (193, 105544), (316, 64462), (334, 60988), (386, 52772), (632, 32231), (668, 30494), (772, 26386), (1336, 15247), (1544, 13193)]