20645208

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 39502152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 101, 102, 136, 153, 167, 202, 204, 303, 306, 334, 404, 408, 501, 606, 612, 668, 808, 909, 1002, 1212, 1224, 1336, 1503, 1717, 1818, 2004, 2424, 2839, 3006, 3434, 3636, 4008, 5151, 5678, 6012, 6868, 7272, 8517, 10302, 11356, 12024, 13736, 15453, 16867, 17034, 20604, 22712, 25551, 30906, 33734, 34068, 41208, 50601, 51102, 61812, 67468, 68136, 101202, 102204, 123624, 134936, 151803, 202404, 204408, 286739, 303606, 404808, 573478, 607212, 860217, 1146956, 1214424, 1720434, 2293912, 2580651, 3440868, 5161302, 6881736, 10322604, 20645208]

約数ペア:

[(1, 20645208), (2, 10322604), (3, 6881736), (4, 5161302), (6, 3440868), (8, 2580651), (9, 2293912), (12, 1720434), (17, 1214424), (18, 1146956), (24, 860217), (34, 607212), (36, 573478), (51, 404808), (68, 303606), (72, 286739), (101, 204408), (102, 202404), (136, 151803), (153, 134936), (167, 123624), (202, 102204), (204, 101202), (303, 68136), (306, 67468), (334, 61812), (404, 51102), (408, 50601), (501, 41208), (606, 34068), (612, 33734), (668, 30906), (808, 25551), (909, 22712), (1002, 20604), (1212, 17034), (1224, 16867), (1336, 15453), (1503, 13736), (1717, 12024), (1818, 11356), (2004, 10302), (2424, 8517), (2839, 7272), (3006, 6868), (3434, 6012), (3636, 5678), (4008, 5151)]