20217202336

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{1597}}^1\times {\mathrm{9649}}^1$

素因数の和:11297

約数の個数: 48

約数和(自身を含む): 40803172200

約数和(自身を除く): 20585969864

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 1597, 3194, 6388, 9649, 12776, 19298, 25552, 38596, 51104, 65477, 77192, 130954, 154384, 261908, 308768, 395609, 523816, 791218, 1047632, 1582436, 2095264, 3164872, 6329744, 12659488, 15409453, 30818906, 61637812, 123275624, 246551248, 493102496, 631787573, 1263575146, 2527150292, 5054300584, 10108601168, 20217202336]

約数ペア:

[(1, 20217202336), (2, 10108601168), (4, 5054300584), (8, 2527150292), (16, 1263575146), (32, 631787573), (41, 493102496), (82, 246551248), (164, 123275624), (328, 61637812), (656, 30818906), (1312, 15409453), (1597, 12659488), (3194, 6329744), (6388, 3164872), (9649, 2095264), (12776, 1582436), (19298, 1047632), (25552, 791218), (38596, 523816), (51104, 395609), (65477, 308768), (77192, 261908), (130954, 154384)]