20884227

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 34524672

約数和(自身を除く): 13640445

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 337, 681, 1011, 1589, 2359, 2951, 4381, 4767, 7077, 8853, 13143, 20657, 30667, 61971, 76499, 92001, 229497, 535493, 994487, 1606479, 2983461, 6961409, 20884227]

約数ペア:

[(1, 20884227), (3, 6961409), (7, 2983461), (13, 1606479), (21, 994487), (39, 535493), (91, 229497), (227, 92001), (273, 76499), (337, 61971), (681, 30667), (1011, 20657), (1589, 13143), (2359, 8853), (2951, 7077), (4381, 4767)]