20655712

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 31163552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 83, 88, 101, 112, 154, 166, 176, 202, 224, 308, 332, 352, 404, 581, 616, 664, 707, 808, 913, 1111, 1162, 1232, 1328, 1414, 1616, 1826, 2222, 2324, 2464, 2656, 2828, 3232, 3652, 4444, 4648, 5656, 6391, 7304, 7777, 8383, 8888, 9296, 11312, 12782, 14608, 15554, 16766, 17776, 18592, 22624, 25564, 29216, 31108, 33532, 35552, 51128, 58681, 62216, 67064, 92213, 102256, 117362, 124432, 134128, 184426, 204512, 234724, 248864, 268256, 368852, 469448, 645491, 737704, 938896, 1290982, 1475408, 1877792, 2581964, 2950816, 5163928, 10327856, 20655712]

約数ペア:

[(1, 20655712), (2, 10327856), (4, 5163928), (7, 2950816), (8, 2581964), (11, 1877792), (14, 1475408), (16, 1290982), (22, 938896), (28, 737704), (32, 645491), (44, 469448), (56, 368852), (77, 268256), (83, 248864), (88, 234724), (101, 204512), (112, 184426), (154, 134128), (166, 124432), (176, 117362), (202, 102256), (224, 92213), (308, 67064), (332, 62216), (352, 58681), (404, 51128), (581, 35552), (616, 33532), (664, 31108), (707, 29216), (808, 25564), (913, 22624), (1111, 18592), (1162, 17776), (1232, 16766), (1328, 15554), (1414, 14608), (1616, 12782), (1826, 11312), (2222, 9296), (2324, 8888), (2464, 8383), (2656, 7777), (2828, 7304), (3232, 6391), (3652, 5656), (4444, 4648)]