20806862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 13753138

約数列:

[1, 2, 19, 29, 38, 58, 79, 158, 239, 478, 551, 1102, 1501, 2291, 3002, 4541, 4582, 6931, 9082, 13862, 18881, 37762, 43529, 87058, 131689, 263378, 358739, 547549, 717478, 1095098, 10403431, 20806862]

約数ペア:

[(1, 20806862), (2, 10403431), (19, 1095098), (29, 717478), (38, 547549), (58, 358739), (79, 263378), (158, 131689), (239, 87058), (478, 43529), (551, 37762), (1102, 18881), (1501, 13862), (2291, 9082), (3002, 6931), (4541, 4582)]