20199775708

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 43568824320

約数和(自身を除く): 23369048612

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 89, 124, 148, 178, 191, 217, 259, 356, 382, 434, 518, 623, 764, 868, 1036, 1147, 1246, 1337, 1369, 2294, 2492, 2674, 2738, 2759, 3293, 4588, 5348, 5476, 5518, 5921, 6586, 7067, 8029, 9583, 11036, 11842, 13172, 14134, 16058, 16999, 19166, 19313, 23051, 23684, 28268, 32116, 33998, 38332, 38626, 41447, 42439, 46102, 49469, 67996, 77252, 82894, 84878, 92204, 98938, 102083, 118993, 121841, 165788, 169756, 197876, 204166, 219077, 237986, 243682, 261479, 297073, 408332, 438154, 475972, 487364, 522958, 526969, 594146, 628963, 714581, 852887, 876308, 1045916, 1053938, 1188292, 1257926, 1429162, 1533539, 1705774, 1830353, 2107876, 2515852, 2858324, 3067078, 3411548, 3660706, 3688783, 3777071, 4402741, 6134156, 7321412, 7377566, 7554142, 8105849, 8805482, 14755132, 15108284, 16211698, 17610964, 19497853, 23271631, 26439497, 32423396, 38995706, 46543262, 52878994, 56740943, 77991412, 93086524, 105757988, 113481886, 136484971, 162901417, 226963772, 272969942, 325802834, 545939884, 651605668, 721420561, 1442841122, 2885682244, 5049943927, 10099887854, 20199775708]

約数ペア:

[(1, 20199775708), (2, 10099887854), (4, 5049943927), (7, 2885682244), (14, 1442841122), (28, 721420561), (31, 651605668), (37, 545939884), (62, 325802834), (74, 272969942), (89, 226963772), (124, 162901417), (148, 136484971), (178, 113481886), (191, 105757988), (217, 93086524), (259, 77991412), (356, 56740943), (382, 52878994), (434, 46543262), (518, 38995706), (623, 32423396), (764, 26439497), (868, 23271631), (1036, 19497853), (1147, 17610964), (1246, 16211698), (1337, 15108284), (1369, 14755132), (2294, 8805482), (2492, 8105849), (2674, 7554142), (2738, 7377566), (2759, 7321412), (3293, 6134156), (4588, 4402741), (5348, 3777071), (5476, 3688783), (5518, 3660706), (5921, 3411548), (6586, 3067078), (7067, 2858324), (8029, 2515852), (9583, 2107876), (11036, 1830353), (11842, 1705774), (13172, 1533539), (14134, 1429162), (16058, 1257926), (16999, 1188292), (19166, 1053938), (19313, 1045916), (23051, 876308), (23684, 852887), (28268, 714581), (32116, 628963), (33998, 594146), (38332, 526969), (38626, 522958), (41447, 487364), (42439, 475972), (46102, 438154), (49469, 408332), (67996, 297073), (77252, 261479), (82894, 243682), (84878, 237986), (92204, 219077), (98938, 204166), (102083, 197876), (118993, 169756), (121841, 165788)]