20114864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 50353920

約数和(自身を除く): 30239056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 563, 616, 638, 812, 1126, 1232, 1276, 1624, 2233, 2252, 2552, 3248, 3941, 4466, 4504, 5104, 6193, 7882, 8932, 9008, 12386, 15764, 16327, 17864, 24772, 31528, 32654, 35728, 43351, 49544, 63056, 65308, 86702, 99088, 114289, 130616, 173404, 179597, 228578, 261232, 346808, 359194, 457156, 693616, 718388, 914312, 1257179, 1436776, 1828624, 2514358, 2873552, 5028716, 10057432, 20114864]

約数ペア:

[(1, 20114864), (2, 10057432), (4, 5028716), (7, 2873552), (8, 2514358), (11, 1828624), (14, 1436776), (16, 1257179), (22, 914312), (28, 718388), (29, 693616), (44, 457156), (56, 359194), (58, 346808), (77, 261232), (88, 228578), (112, 179597), (116, 173404), (154, 130616), (176, 114289), (203, 99088), (232, 86702), (308, 65308), (319, 63056), (406, 49544), (464, 43351), (563, 35728), (616, 32654), (638, 31528), (812, 24772), (1126, 17864), (1232, 16327), (1276, 15764), (1624, 12386), (2233, 9008), (2252, 8932), (2552, 7882), (3248, 6193), (3941, 5104), (4466, 4504)]