20175363978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{328343}}^1$

素因数の和:328392

約数の個数: 96

約数和(自身を含む): 53900951040

約数和(自身を除く): 33725587062

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 49, 57, 66, 77, 98, 114, 133, 147, 154, 209, 231, 266, 294, 399, 418, 462, 539, 627, 798, 931, 1078, 1254, 1463, 1617, 1862, 2793, 2926, 3234, 4389, 5586, 8778, 10241, 20482, 30723, 61446, 328343, 656686, 985029, 1970058, 2298401, 3611773, 4596802, 6238517, 6895203, 7223546, 10835319, 12477034, 13790406, 16088807, 18715551, 21670638, 25282411, 32177614, 37431102, 43669619, 48266421, 50564822, 68623687, 75847233, 87339238, 96532842, 131008857, 137247374, 151694466, 176976877, 205871061, 262017714, 305687333, 353953754, 411742122, 480365809, 530930631, 611374666, 917061999, 960731618, 1061861262, 1441097427, 1834123998, 2882194854, 3362560663, 6725121326, 10087681989, 20175363978]

約数ペア:

[(1, 20175363978), (2, 10087681989), (3, 6725121326), (6, 3362560663), (7, 2882194854), (11, 1834123998), (14, 1441097427), (19, 1061861262), (21, 960731618), (22, 917061999), (33, 611374666), (38, 530930631), (42, 480365809), (49, 411742122), (57, 353953754), (66, 305687333), (77, 262017714), (98, 205871061), (114, 176976877), (133, 151694466), (147, 137247374), (154, 131008857), (209, 96532842), (231, 87339238), (266, 75847233), (294, 68623687), (399, 50564822), (418, 48266421), (462, 43669619), (539, 37431102), (627, 32177614), (798, 25282411), (931, 21670638), (1078, 18715551), (1254, 16088807), (1463, 13790406), (1617, 12477034), (1862, 10835319), (2793, 7223546), (2926, 6895203), (3234, 6238517), (4389, 4596802), (5586, 3611773), (8778, 2298401), (10241, 1970058), (20482, 985029), (30723, 656686), (61446, 328343)]