20121664068

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1181681}}^1$

素因数の和:1181745

約数の個数: 72

約数和(自身を含む): 56777456736

約数和(自身を除く): 36655792668

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1419, 1548, 1892, 2838, 4257, 5676, 8514, 17028, 1181681, 2363362, 3545043, 4726724, 7090086, 10635129, 12998491, 14180172, 21270258, 25996982, 38995473, 42540516, 50812283, 51993964, 77990946, 101624566, 116986419, 152436849, 155981892, 203249132, 233972838, 304873698, 457310547, 467945676, 558935113, 609747396, 914621094, 1117870226, 1676805339, 1829242188, 2235740452, 3353610678, 5030416017, 6707221356, 10060832034, 20121664068]

約数ペア:

[(1, 20121664068), (2, 10060832034), (3, 6707221356), (4, 5030416017), (6, 3353610678), (9, 2235740452), (11, 1829242188), (12, 1676805339), (18, 1117870226), (22, 914621094), (33, 609747396), (36, 558935113), (43, 467945676), (44, 457310547), (66, 304873698), (86, 233972838), (99, 203249132), (129, 155981892), (132, 152436849), (172, 116986419), (198, 101624566), (258, 77990946), (387, 51993964), (396, 50812283), (473, 42540516), (516, 38995473), (774, 25996982), (946, 21270258), (1419, 14180172), (1548, 12998491), (1892, 10635129), (2838, 7090086), (4257, 4726724), (5676, 3545043), (8514, 2363362), (17028, 1181681)]