20169364576

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{15451}}^1$

素因数の和:15612

約数の個数: 72

約数和(自身を含む): 42281956584

約数和(自身を除く): 22112592008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 304, 361, 452, 608, 722, 904, 1444, 1808, 2147, 2888, 3616, 4294, 5776, 8588, 11552, 15451, 17176, 30902, 34352, 40793, 61804, 68704, 81586, 123608, 163172, 247216, 293569, 326344, 494432, 587138, 652688, 1174276, 1305376, 1745963, 2348552, 3491926, 4697104, 5577811, 6983852, 9394208, 11155622, 13967704, 22311244, 27935408, 33173297, 44622488, 55870816, 66346594, 89244976, 132693188, 178489952, 265386376, 530772752, 630292643, 1061545504, 1260585286, 2521170572, 5042341144, 10084682288, 20169364576]

約数ペア:

[(1, 20169364576), (2, 10084682288), (4, 5042341144), (8, 2521170572), (16, 1260585286), (19, 1061545504), (32, 630292643), (38, 530772752), (76, 265386376), (113, 178489952), (152, 132693188), (226, 89244976), (304, 66346594), (361, 55870816), (452, 44622488), (608, 33173297), (722, 27935408), (904, 22311244), (1444, 13967704), (1808, 11155622), (2147, 9394208), (2888, 6983852), (3616, 5577811), (4294, 4697104), (5776, 3491926), (8588, 2348552), (11552, 1745963), (15451, 1305376), (17176, 1174276), (30902, 652688), (34352, 587138), (40793, 494432), (61804, 326344), (68704, 293569), (81586, 247216), (123608, 163172)]