20174979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12081021

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1399, 4197, 4807, 14421, 15389, 26581, 32177, 46167, 79743, 96531, 292391, 353947, 611363, 877173, 1061841, 1834089, 6724993, 20174979]

約数ペア:

[(1, 20174979), (3, 6724993), (11, 1834089), (19, 1061841), (23, 877173), (33, 611363), (57, 353947), (69, 292391), (209, 96531), (253, 79743), (437, 46167), (627, 32177), (759, 26581), (1311, 15389), (1399, 14421), (4197, 4807)]