20325261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 31426560

約数和(自身を除く): 11101299

約数列:

[1, 3, 11, 23, 33, 61, 69, 183, 253, 439, 671, 759, 1317, 1403, 2013, 4209, 4829, 10097, 14487, 15433, 26779, 30291, 46299, 80337, 111067, 294569, 333201, 615917, 883707, 1847751, 6775087, 20325261]

約数ペア:

[(1, 20325261), (3, 6775087), (11, 1847751), (23, 883707), (33, 615917), (61, 333201), (69, 294569), (183, 111067), (253, 80337), (439, 46299), (671, 30291), (759, 26779), (1317, 15433), (1403, 14487), (2013, 10097), (4209, 4829)]