20122131491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{15889}}^1\times {\mathrm{16447}}^1$

素因数の和:32354

約数の個数: 16

約数和(自身を含む): 25090437120

約数和(自身を除く): 4968305629

約数列:

[1, 7, 11, 77, 15889, 16447, 111223, 115129, 174779, 180917, 1223453, 1266419, 261326383, 1829284681, 2874590213, 20122131491]

約数ペア:

[(1, 20122131491), (7, 2874590213), (11, 1829284681), (77, 261326383), (15889, 1266419), (16447, 1223453), (111223, 180917), (115129, 174779)]