20800612

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18119}}^1$

素因数の和:18171

約数の個数: 24

約数和(自身を含む): 42618240

約数和(自身を除く): 21817628

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18119, 36238, 72476, 126833, 253666, 507332, 742879, 1485758, 2971516, 5200153, 10400306, 20800612]

約数ペア:

[(1, 20800612), (2, 10400306), (4, 5200153), (7, 2971516), (14, 1485758), (28, 742879), (41, 507332), (82, 253666), (164, 126833), (287, 72476), (574, 36238), (1148, 18119)]