20937153

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 9706047

約数列:

[1, 3, 23, 37, 59, 69, 111, 139, 177, 417, 851, 1357, 2183, 2553, 3197, 4071, 5143, 6549, 8201, 9591, 15429, 24603, 50209, 118289, 150627, 188623, 303437, 354867, 565869, 910311, 6979051, 20937153]

約数ペア:

[(1, 20937153), (3, 6979051), (23, 910311), (37, 565869), (59, 354867), (69, 303437), (111, 188623), (139, 150627), (177, 118289), (417, 50209), (851, 24603), (1357, 15429), (2183, 9591), (2553, 8201), (3197, 6549), (4071, 5143)]