20103684867

素因数分解:

$3^3\times 7^2\times {\mathrm{2309}}^1\times {\mathrm{6581}}^1$

素因数の和:8913

約数の個数: 48

約数和(自身を含む): 34666077600

約数和(自身を除く): 14562392733

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2309, 6581, 6927, 16163, 19743, 20781, 46067, 48489, 59229, 62343, 113141, 138201, 145467, 177687, 322469, 339423, 414603, 436401, 967407, 1018269, 1243809, 2902221, 3054807, 8706663, 15195529, 45586587, 106368703, 136759761, 319106109, 410279283, 744580921, 957318327, 2233742763, 2871954981, 6701228289, 20103684867]

約数ペア:

[(1, 20103684867), (3, 6701228289), (7, 2871954981), (9, 2233742763), (21, 957318327), (27, 744580921), (49, 410279283), (63, 319106109), (147, 136759761), (189, 106368703), (441, 45586587), (1323, 15195529), (2309, 8706663), (6581, 3054807), (6927, 2902221), (16163, 1243809), (19743, 1018269), (20781, 967407), (46067, 436401), (48489, 414603), (59229, 339423), (62343, 322469), (113141, 177687), (138201, 145467)]