20880090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 71165952

約数和(自身を除く): 50285862

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 23, 30, 33, 35, 42, 45, 46, 55, 63, 66, 69, 70, 77, 90, 99, 105, 110, 115, 126, 131, 138, 154, 161, 165, 198, 207, 210, 230, 231, 253, 262, 315, 322, 330, 345, 385, 393, 414, 462, 483, 495, 506, 630, 655, 690, 693, 759, 770, 786, 805, 917, 966, 990, 1035, 1155, 1179, 1265, 1310, 1386, 1441, 1449, 1518, 1610, 1771, 1834, 1965, 2070, 2277, 2310, 2358, 2415, 2530, 2751, 2882, 2898, 3013, 3465, 3542, 3795, 3930, 4323, 4554, 4585, 4830, 5313, 5502, 5895, 6026, 6930, 7205, 7245, 7590, 8253, 8646, 8855, 9039, 9170, 10087, 10626, 11385, 11790, 12969, 13755, 14410, 14490, 15065, 15939, 16506, 17710, 18078, 20174, 21091, 21615, 22770, 25938, 26565, 27117, 27510, 30130, 30261, 31878, 33143, 41265, 42182, 43230, 45195, 50435, 53130, 54234, 60522, 63273, 64845, 66286, 79695, 82530, 90390, 90783, 99429, 100870, 105455, 126546, 129690, 135585, 151305, 159390, 165715, 181566, 189819, 198858, 210910, 232001, 271170, 298287, 302610, 316365, 331430, 379638, 453915, 464002, 497145, 596574, 632730, 696003, 907830, 949095, 994290, 1160005, 1392006, 1491435, 1898190, 2088009, 2320010, 2982870, 3480015, 4176018, 6960030, 10440045, 20880090]

約数ペア:

[(1, 20880090), (2, 10440045), (3, 6960030), (5, 4176018), (6, 3480015), (7, 2982870), (9, 2320010), (10, 2088009), (11, 1898190), (14, 1491435), (15, 1392006), (18, 1160005), (21, 994290), (22, 949095), (23, 907830), (30, 696003), (33, 632730), (35, 596574), (42, 497145), (45, 464002), (46, 453915), (55, 379638), (63, 331430), (66, 316365), (69, 302610), (70, 298287), (77, 271170), (90, 232001), (99, 210910), (105, 198858), (110, 189819), (115, 181566), (126, 165715), (131, 159390), (138, 151305), (154, 135585), (161, 129690), (165, 126546), (198, 105455), (207, 100870), (210, 99429), (230, 90783), (231, 90390), (253, 82530), (262, 79695), (315, 66286), (322, 64845), (330, 63273), (345, 60522), (385, 54234), (393, 53130), (414, 50435), (462, 45195), (483, 43230), (495, 42182), (506, 41265), (630, 33143), (655, 31878), (690, 30261), (693, 30130), (759, 27510), (770, 27117), (786, 26565), (805, 25938), (917, 22770), (966, 21615), (990, 21091), (1035, 20174), (1155, 18078), (1179, 17710), (1265, 16506), (1310, 15939), (1386, 15065), (1441, 14490), (1449, 14410), (1518, 13755), (1610, 12969), (1771, 11790), (1834, 11385), (1965, 10626), (2070, 10087), (2277, 9170), (2310, 9039), (2358, 8855), (2415, 8646), (2530, 8253), (2751, 7590), (2882, 7245), (2898, 7205), (3013, 6930), (3465, 6026), (3542, 5895), (3795, 5502), (3930, 5313), (4323, 4830), (4554, 4585)]