20959470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 70087680

約数和(自身を除く): 49128210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 51, 57, 63, 70, 85, 90, 95, 102, 103, 105, 114, 119, 126, 133, 153, 170, 171, 190, 206, 210, 238, 255, 266, 285, 306, 309, 315, 323, 342, 357, 399, 510, 515, 570, 595, 618, 630, 646, 665, 714, 721, 765, 798, 855, 927, 969, 1030, 1071, 1190, 1197, 1330, 1442, 1530, 1545, 1615, 1710, 1751, 1785, 1854, 1938, 1957, 1995, 2142, 2163, 2261, 2394, 2907, 3090, 3230, 3502, 3570, 3605, 3914, 3990, 4326, 4522, 4635, 4845, 5253, 5355, 5814, 5871, 5985, 6489, 6783, 7210, 8755, 9270, 9690, 9785, 10506, 10710, 10815, 11305, 11742, 11970, 12257, 12978, 13566, 13699, 14535, 15759, 17510, 17613, 19570, 20349, 21630, 22610, 24514, 26265, 27398, 29070, 29355, 31518, 32445, 33269, 33915, 35226, 36771, 40698, 41097, 52530, 58710, 61285, 64890, 66538, 67830, 68495, 73542, 78795, 82194, 88065, 99807, 101745, 110313, 122570, 123291, 136990, 157590, 166345, 176130, 183855, 199614, 203490, 205485, 220626, 232883, 246582, 299421, 332690, 367710, 410970, 465766, 499035, 551565, 598842, 616455, 698649, 998070, 1103130, 1164415, 1232910, 1397298, 1497105, 2095947, 2328830, 2994210, 3493245, 4191894, 6986490, 10479735, 20959470]

約数ペア:

[(1, 20959470), (2, 10479735), (3, 6986490), (5, 4191894), (6, 3493245), (7, 2994210), (9, 2328830), (10, 2095947), (14, 1497105), (15, 1397298), (17, 1232910), (18, 1164415), (19, 1103130), (21, 998070), (30, 698649), (34, 616455), (35, 598842), (38, 551565), (42, 499035), (45, 465766), (51, 410970), (57, 367710), (63, 332690), (70, 299421), (85, 246582), (90, 232883), (95, 220626), (102, 205485), (103, 203490), (105, 199614), (114, 183855), (119, 176130), (126, 166345), (133, 157590), (153, 136990), (170, 123291), (171, 122570), (190, 110313), (206, 101745), (210, 99807), (238, 88065), (255, 82194), (266, 78795), (285, 73542), (306, 68495), (309, 67830), (315, 66538), (323, 64890), (342, 61285), (357, 58710), (399, 52530), (510, 41097), (515, 40698), (570, 36771), (595, 35226), (618, 33915), (630, 33269), (646, 32445), (665, 31518), (714, 29355), (721, 29070), (765, 27398), (798, 26265), (855, 24514), (927, 22610), (969, 21630), (1030, 20349), (1071, 19570), (1190, 17613), (1197, 17510), (1330, 15759), (1442, 14535), (1530, 13699), (1545, 13566), (1615, 12978), (1710, 12257), (1751, 11970), (1785, 11742), (1854, 11305), (1938, 10815), (1957, 10710), (1995, 10506), (2142, 9785), (2163, 9690), (2261, 9270), (2394, 8755), (2907, 7210), (3090, 6783), (3230, 6489), (3502, 5985), (3570, 5871), (3605, 5814), (3914, 5355), (3990, 5253), (4326, 4845), (4522, 4635)]