20947842

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 51926400

約数和(自身を除く): 30978558

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 153, 171, 306, 323, 342, 459, 513, 646, 918, 969, 1026, 1201, 1938, 2402, 2907, 3603, 5814, 7206, 8721, 10809, 17442, 20417, 21618, 22819, 32427, 40834, 45638, 61251, 64854, 68457, 122502, 136914, 183753, 205371, 367506, 387923, 410742, 551259, 616113, 775846, 1102518, 1163769, 1232226, 2327538, 3491307, 6982614, 10473921, 20947842]

約数ペア:

[(1, 20947842), (2, 10473921), (3, 6982614), (6, 3491307), (9, 2327538), (17, 1232226), (18, 1163769), (19, 1102518), (27, 775846), (34, 616113), (38, 551259), (51, 410742), (54, 387923), (57, 367506), (102, 205371), (114, 183753), (153, 136914), (171, 122502), (306, 68457), (323, 64854), (342, 61251), (459, 45638), (513, 40834), (646, 32427), (918, 22819), (969, 21618), (1026, 20417), (1201, 17442), (1938, 10809), (2402, 8721), (2907, 7206), (3603, 5814)]