20283219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 32145984

約数和(自身を除く): 11862765

約数列:

[1, 3, 9, 11, 33, 99, 211, 633, 971, 1899, 2321, 2913, 6963, 8739, 10681, 20889, 32043, 96129, 204881, 614643, 1843929, 2253691, 6761073, 20283219]

約数ペア:

[(1, 20283219), (3, 6761073), (9, 2253691), (11, 1843929), (33, 614643), (99, 204881), (211, 96129), (633, 32043), (971, 20889), (1899, 10681), (2321, 8739), (2913, 6963)]