20161156816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{2281}}^1$

素因数の和:2804

約数の個数: 80

約数和(自身を含む): 41460471360

約数和(自身を除く): 21299314544

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 443, 464, 688, 886, 1247, 1772, 2281, 2494, 3544, 4562, 4988, 7088, 9124, 9976, 12847, 18248, 19049, 19952, 25694, 36496, 38098, 51388, 66149, 76196, 98083, 102776, 132298, 152392, 196166, 205552, 264596, 304784, 392332, 529192, 552421, 784664, 1010483, 1058384, 1104842, 1569328, 2020966, 2209684, 2844407, 4041932, 4419368, 5688814, 8083864, 8838736, 11377628, 16167728, 22755256, 29304007, 43450769, 45510512, 58608014, 86901538, 117216028, 173803076, 234432056, 347606152, 468864112, 695212304, 1260072301, 2520144602, 5040289204, 10080578408, 20161156816]

約数ペア:

[(1, 20161156816), (2, 10080578408), (4, 5040289204), (8, 2520144602), (16, 1260072301), (29, 695212304), (43, 468864112), (58, 347606152), (86, 234432056), (116, 173803076), (172, 117216028), (232, 86901538), (344, 58608014), (443, 45510512), (464, 43450769), (688, 29304007), (886, 22755256), (1247, 16167728), (1772, 11377628), (2281, 8838736), (2494, 8083864), (3544, 5688814), (4562, 4419368), (4988, 4041932), (7088, 2844407), (9124, 2209684), (9976, 2020966), (12847, 1569328), (18248, 1104842), (19049, 1058384), (19952, 1010483), (25694, 784664), (36496, 552421), (38098, 529192), (51388, 392332), (66149, 304784), (76196, 264596), (98083, 205552), (102776, 196166), (132298, 152392)]