20597654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 38852352

約数和(自身を除く): 18254698

約数列:

[1, 2, 7, 11, 14, 22, 77, 131, 154, 262, 917, 1021, 1441, 1834, 2042, 2882, 7147, 10087, 11231, 14294, 20174, 22462, 78617, 133751, 157234, 267502, 936257, 1471261, 1872514, 2942522, 10298827, 20597654]

約数ペア:

[(1, 20597654), (2, 10298827), (7, 2942522), (11, 1872514), (14, 1471261), (22, 936257), (77, 267502), (131, 157234), (154, 133751), (262, 78617), (917, 22462), (1021, 20174), (1441, 14294), (1834, 11231), (2042, 10087), (2882, 7147)]