20729576052

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{2251}}^1$

素因数の和:2971

約数の個数: 120

約数和(自身を含む): 55560028832

約数和(自身を除く): 34830452780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 661, 774, 1161, 1322, 1548, 1983, 2251, 2322, 2644, 3483, 3966, 4502, 4644, 5949, 6753, 6966, 7932, 9004, 11898, 13506, 13932, 17847, 20259, 23796, 27012, 28423, 35694, 40518, 53541, 56846, 60777, 71388, 81036, 85269, 96793, 107082, 113692, 121554, 170538, 182331, 193586, 214164, 243108, 255807, 290379, 341076, 364662, 387172, 511614, 580758, 729324, 767421, 871137, 1023228, 1161516, 1487911, 1534842, 1742274, 2302263, 2613411, 2975822, 3069684, 3484548, 4463733, 4604526, 5226822, 5951644, 7840233, 8927466, 9209052, 10453644, 13391199, 15680466, 17854932, 26782398, 31360932, 40173597, 53564796, 63980173, 80347194, 120520791, 127960346, 160694388, 191940519, 241041582, 255920692, 383881038, 482083164, 575821557, 767762076, 1151643114, 1727464671, 2303286228, 3454929342, 5182394013, 6909858684, 10364788026, 20729576052]

約数ペア:

[(1, 20729576052), (2, 10364788026), (3, 6909858684), (4, 5182394013), (6, 3454929342), (9, 2303286228), (12, 1727464671), (18, 1151643114), (27, 767762076), (36, 575821557), (43, 482083164), (54, 383881038), (81, 255920692), (86, 241041582), (108, 191940519), (129, 160694388), (162, 127960346), (172, 120520791), (258, 80347194), (324, 63980173), (387, 53564796), (516, 40173597), (661, 31360932), (774, 26782398), (1161, 17854932), (1322, 15680466), (1548, 13391199), (1983, 10453644), (2251, 9209052), (2322, 8927466), (2644, 7840233), (3483, 5951644), (3966, 5226822), (4502, 4604526), (4644, 4463733), (5949, 3484548), (6753, 3069684), (6966, 2975822), (7932, 2613411), (9004, 2302263), (11898, 1742274), (13506, 1534842), (13932, 1487911), (17847, 1161516), (20259, 1023228), (23796, 871137), (27012, 767421), (28423, 729324), (35694, 580758), (40518, 511614), (53541, 387172), (56846, 364662), (60777, 341076), (71388, 290379), (81036, 255807), (85269, 243108), (96793, 214164), (107082, 193586), (113692, 182331), (121554, 170538)]