20157267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 30345280

約数和(自身を除く): 10188013

約数列:

[1, 3, 13, 37, 39, 61, 111, 183, 229, 481, 687, 793, 1443, 2257, 2379, 2977, 6771, 8473, 8931, 13969, 25419, 29341, 41907, 88023, 110149, 181597, 330447, 516853, 544791, 1550559, 6719089, 20157267]

約数ペア:

[(1, 20157267), (3, 6719089), (13, 1550559), (37, 544791), (39, 516853), (61, 330447), (111, 181597), (183, 110149), (229, 88023), (481, 41907), (687, 29341), (793, 25419), (1443, 13969), (2257, 8931), (2379, 8473), (2977, 6771)]