20268304

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 47421568

約数和(自身を除く): 27153264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 67, 73, 74, 112, 134, 146, 148, 259, 268, 292, 296, 469, 511, 518, 536, 584, 592, 938, 1022, 1036, 1072, 1168, 1876, 2044, 2072, 2479, 2701, 3752, 4088, 4144, 4891, 4958, 5402, 7504, 8176, 9782, 9916, 10804, 17353, 18907, 19564, 19832, 21608, 34237, 34706, 37814, 39128, 39664, 43216, 68474, 69412, 75628, 78256, 136948, 138824, 151256, 180967, 273896, 277648, 302512, 361934, 547792, 723868, 1266769, 1447736, 2533538, 2895472, 5067076, 10134152, 20268304]

約数ペア:

[(1, 20268304), (2, 10134152), (4, 5067076), (7, 2895472), (8, 2533538), (14, 1447736), (16, 1266769), (28, 723868), (37, 547792), (56, 361934), (67, 302512), (73, 277648), (74, 273896), (112, 180967), (134, 151256), (146, 138824), (148, 136948), (259, 78256), (268, 75628), (292, 69412), (296, 68474), (469, 43216), (511, 39664), (518, 39128), (536, 37814), (584, 34706), (592, 34237), (938, 21608), (1022, 19832), (1036, 19564), (1072, 18907), (1168, 17353), (1876, 10804), (2044, 9916), (2072, 9782), (2479, 8176), (2701, 7504), (3752, 5402), (4088, 4958), (4144, 4891)]