20942688

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 60159456

約数和(自身を除く): 39216768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 97, 104, 156, 173, 194, 208, 291, 312, 346, 388, 416, 519, 582, 624, 692, 776, 1038, 1164, 1248, 1261, 1384, 1552, 2076, 2249, 2328, 2522, 2768, 3104, 3783, 4152, 4498, 4656, 5044, 5536, 6747, 7566, 8304, 8996, 9312, 10088, 13494, 15132, 16608, 16781, 17992, 20176, 26988, 30264, 33562, 35984, 40352, 50343, 53976, 60528, 67124, 71968, 100686, 107952, 121056, 134248, 201372, 215904, 218153, 268496, 402744, 436306, 536992, 654459, 805488, 872612, 1308918, 1610976, 1745224, 2617836, 3490448, 5235672, 6980896, 10471344, 20942688]

約数ペア:

[(1, 20942688), (2, 10471344), (3, 6980896), (4, 5235672), (6, 3490448), (8, 2617836), (12, 1745224), (13, 1610976), (16, 1308918), (24, 872612), (26, 805488), (32, 654459), (39, 536992), (48, 436306), (52, 402744), (78, 268496), (96, 218153), (97, 215904), (104, 201372), (156, 134248), (173, 121056), (194, 107952), (208, 100686), (291, 71968), (312, 67124), (346, 60528), (388, 53976), (416, 50343), (519, 40352), (582, 35984), (624, 33562), (692, 30264), (776, 26988), (1038, 20176), (1164, 17992), (1248, 16781), (1261, 16608), (1384, 15132), (1552, 13494), (2076, 10088), (2249, 9312), (2328, 8996), (2522, 8304), (2768, 7566), (3104, 6747), (3783, 5536), (4152, 5044), (4498, 4656)]