20911114872

素因数分解:

$2^3\times 3^4\times {\mathrm{41}}^1\times {\mathrm{787079}}^1$

素因数の和:787138

約数の個数: 80

約数和(自身を含む): 59999108400

約数和(自身を除く): 39087993528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 246, 324, 328, 369, 492, 648, 738, 984, 1107, 1476, 2214, 2952, 3321, 4428, 6642, 8856, 13284, 26568, 787079, 1574158, 2361237, 3148316, 4722474, 6296632, 7083711, 9444948, 14167422, 18889896, 21251133, 28334844, 32270239, 42502266, 56669688, 63753399, 64540478, 85004532, 96810717, 127506798, 129080956, 170009064, 193621434, 255013596, 258161912, 290432151, 387242868, 510027192, 580864302, 774485736, 871296453, 1161728604, 1742592906, 2323457208, 2613889359, 3485185812, 5227778718, 6970371624, 10455557436, 20911114872]

約数ペア:

[(1, 20911114872), (2, 10455557436), (3, 6970371624), (4, 5227778718), (6, 3485185812), (8, 2613889359), (9, 2323457208), (12, 1742592906), (18, 1161728604), (24, 871296453), (27, 774485736), (36, 580864302), (41, 510027192), (54, 387242868), (72, 290432151), (81, 258161912), (82, 255013596), (108, 193621434), (123, 170009064), (162, 129080956), (164, 127506798), (216, 96810717), (246, 85004532), (324, 64540478), (328, 63753399), (369, 56669688), (492, 42502266), (648, 32270239), (738, 28334844), (984, 21251133), (1107, 18889896), (1476, 14167422), (2214, 9444948), (2952, 7083711), (3321, 6296632), (4428, 4722474), (6642, 3148316), (8856, 2361237), (13284, 1574158), (26568, 787079)]