20950160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 43331440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 179, 190, 209, 220, 266, 280, 304, 308, 358, 380, 385, 418, 440, 532, 560, 616, 665, 716, 760, 770, 836, 880, 895, 1045, 1064, 1232, 1253, 1330, 1432, 1463, 1520, 1540, 1672, 1790, 1969, 2090, 2128, 2506, 2660, 2864, 2926, 3080, 3344, 3401, 3580, 3938, 4180, 5012, 5320, 5852, 6160, 6265, 6802, 7160, 7315, 7876, 8360, 9845, 10024, 10640, 11704, 12530, 13604, 13783, 14320, 14630, 15752, 16720, 17005, 19690, 20048, 23408, 23807, 25060, 27208, 27566, 29260, 31504, 34010, 37411, 39380, 47614, 50120, 54416, 55132, 58520, 68020, 68915, 74822, 78760, 95228, 100240, 110264, 117040, 119035, 136040, 137830, 149644, 157520, 187055, 190456, 220528, 238070, 261877, 272080, 275660, 299288, 374110, 380912, 476140, 523754, 551320, 598576, 748220, 952280, 1047508, 1102640, 1309385, 1496440, 1904560, 2095016, 2618770, 2992880, 4190032, 5237540, 10475080, 20950160]

約数ペア:

[(1, 20950160), (2, 10475080), (4, 5237540), (5, 4190032), (7, 2992880), (8, 2618770), (10, 2095016), (11, 1904560), (14, 1496440), (16, 1309385), (19, 1102640), (20, 1047508), (22, 952280), (28, 748220), (35, 598576), (38, 551320), (40, 523754), (44, 476140), (55, 380912), (56, 374110), (70, 299288), (76, 275660), (77, 272080), (80, 261877), (88, 238070), (95, 220528), (110, 190456), (112, 187055), (133, 157520), (140, 149644), (152, 137830), (154, 136040), (176, 119035), (179, 117040), (190, 110264), (209, 100240), (220, 95228), (266, 78760), (280, 74822), (304, 68915), (308, 68020), (358, 58520), (380, 55132), (385, 54416), (418, 50120), (440, 47614), (532, 39380), (560, 37411), (616, 34010), (665, 31504), (716, 29260), (760, 27566), (770, 27208), (836, 25060), (880, 23807), (895, 23408), (1045, 20048), (1064, 19690), (1232, 17005), (1253, 16720), (1330, 15752), (1432, 14630), (1463, 14320), (1520, 13783), (1540, 13604), (1672, 12530), (1790, 11704), (1969, 10640), (2090, 10024), (2128, 9845), (2506, 8360), (2660, 7876), (2864, 7315), (2926, 7160), (3080, 6802), (3344, 6265), (3401, 6160), (3580, 5852), (3938, 5320), (4180, 5012)]