20107857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 33997824

約数和(自身を除く): 13889967

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 1427, 2013, 4281, 4697, 9989, 14091, 15697, 29967, 47091, 87047, 109879, 261141, 329637, 609329, 957517, 1827987, 2872551, 6702619, 20107857]

約数ペア:

[(1, 20107857), (3, 6702619), (7, 2872551), (11, 1827987), (21, 957517), (33, 609329), (61, 329637), (77, 261141), (183, 109879), (231, 87047), (427, 47091), (671, 29967), (1281, 15697), (1427, 14091), (2013, 9989), (4281, 4697)]