20884039239

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1\times {\mathrm{6421}}^1$

素因数の和:9031

約数の個数: 32

約数和(自身を含む): 32362769920

約数和(自身を除く): 11478730681

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 2539, 6421, 7617, 17773, 19263, 44947, 53319, 134841, 154879, 391681, 464637, 1084153, 1175043, 2741767, 3252459, 8225301, 16302919, 48908757, 114120433, 342361299, 994478059, 2983434177, 6961346413, 20884039239]

約数ペア:

[(1, 20884039239), (3, 6961346413), (7, 2983434177), (21, 994478059), (61, 342361299), (183, 114120433), (427, 48908757), (1281, 16302919), (2539, 8225301), (6421, 3252459), (7617, 2741767), (17773, 1175043), (19263, 1084153), (44947, 464637), (53319, 391681), (134841, 154879)]