20915433

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30181}}^1$

素因数の和:30205

約数の個数: 24

約数和(自身を含む): 37667136

約数和(自身を除く): 16751703

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30181, 90543, 211267, 271629, 331991, 633801, 995973, 1901403, 2323937, 2987919, 6971811, 20915433]

約数ペア:

[(1, 20915433), (3, 6971811), (7, 2987919), (9, 2323937), (11, 1901403), (21, 995973), (33, 633801), (63, 331991), (77, 271629), (99, 211267), (231, 90543), (693, 30181)]