20993616

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 120

約数和(自身を含む): 68477760

約数和(自身を除く): 47484144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 59, 63, 72, 84, 112, 118, 126, 144, 168, 177, 236, 252, 336, 353, 354, 413, 472, 504, 531, 706, 708, 826, 944, 1008, 1059, 1062, 1239, 1412, 1416, 1652, 2118, 2124, 2471, 2478, 2824, 2832, 3177, 3304, 3717, 4236, 4248, 4942, 4956, 5648, 6354, 6608, 7413, 7434, 8472, 8496, 9884, 9912, 12708, 14826, 14868, 16944, 19768, 19824, 20827, 22239, 25416, 29652, 29736, 39536, 41654, 44478, 50832, 59304, 59472, 62481, 83308, 88956, 118608, 124962, 145789, 166616, 177912, 187443, 249924, 291578, 333232, 355824, 374886, 437367, 499848, 583156, 749772, 874734, 999696, 1166312, 1312101, 1499544, 1749468, 2332624, 2624202, 2999088, 3498936, 5248404, 6997872, 10496808, 20993616]

約数ペア:

[(1, 20993616), (2, 10496808), (3, 6997872), (4, 5248404), (6, 3498936), (7, 2999088), (8, 2624202), (9, 2332624), (12, 1749468), (14, 1499544), (16, 1312101), (18, 1166312), (21, 999696), (24, 874734), (28, 749772), (36, 583156), (42, 499848), (48, 437367), (56, 374886), (59, 355824), (63, 333232), (72, 291578), (84, 249924), (112, 187443), (118, 177912), (126, 166616), (144, 145789), (168, 124962), (177, 118608), (236, 88956), (252, 83308), (336, 62481), (353, 59472), (354, 59304), (413, 50832), (472, 44478), (504, 41654), (531, 39536), (706, 29736), (708, 29652), (826, 25416), (944, 22239), (1008, 20827), (1059, 19824), (1062, 19768), (1239, 16944), (1412, 14868), (1416, 14826), (1652, 12708), (2118, 9912), (2124, 9884), (2471, 8496), (2478, 8472), (2824, 7434), (2832, 7413), (3177, 6608), (3304, 6354), (3717, 5648), (4236, 4956), (4248, 4942)]