20894388

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40493}}^1$

素因数の和:40543

約数の個数: 24

約数和(自身を含む): 49888608

約数和(自身を除く): 28994220

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40493, 80986, 121479, 161972, 242958, 485916, 1741199, 3482398, 5223597, 6964796, 10447194, 20894388]

約数ペア:

[(1, 20894388), (2, 10447194), (3, 6964796), (4, 5223597), (6, 3482398), (12, 1741199), (43, 485916), (86, 242958), (129, 161972), (172, 121479), (258, 80986), (516, 40493)]