20763457

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5363903

約数列:

[1, 11, 13, 23, 59, 107, 143, 253, 299, 649, 767, 1177, 1357, 1391, 2461, 3289, 6313, 8437, 14927, 15301, 17641, 27071, 31993, 69443, 82069, 145199, 194051, 351923, 902759, 1597189, 1887587, 20763457]

約数ペア:

[(1, 20763457), (11, 1887587), (13, 1597189), (23, 902759), (59, 351923), (107, 194051), (143, 145199), (253, 82069), (299, 69443), (649, 31993), (767, 27071), (1177, 17641), (1357, 15301), (1391, 14927), (2461, 8437), (3289, 6313)]