20647737

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3698

約数の個数: 32

約数和(自身を含む): 35136000

約数和(自身を除く): 14488263

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3659, 5643, 10977, 32931, 40249, 69521, 98793, 120747, 208563, 362241, 625689, 764731, 1086723, 1877067, 2294193, 6882579, 20647737]

約数ペア:

[(1, 20647737), (3, 6882579), (9, 2294193), (11, 1877067), (19, 1086723), (27, 764731), (33, 625689), (57, 362241), (99, 208563), (171, 120747), (209, 98793), (297, 69521), (513, 40249), (627, 32931), (1881, 10977), (3659, 5643)]