20415912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4549}}^1$

素因数の和:4586

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 38552088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4549, 9098, 13647, 18196, 27294, 36392, 50039, 54588, 77333, 100078, 109176, 150117, 154666, 200156, 231999, 300234, 309332, 400312, 463998, 600468, 618664, 850663, 927996, 1200936, 1701326, 1855992, 2551989, 3402652, 5103978, 6805304, 10207956, 20415912]

約数ペア:

[(1, 20415912), (2, 10207956), (3, 6805304), (4, 5103978), (6, 3402652), (8, 2551989), (11, 1855992), (12, 1701326), (17, 1200936), (22, 927996), (24, 850663), (33, 618664), (34, 600468), (44, 463998), (51, 400312), (66, 309332), (68, 300234), (88, 231999), (102, 200156), (132, 154666), (136, 150117), (187, 109176), (204, 100078), (264, 77333), (374, 54588), (408, 50039), (561, 36392), (748, 27294), (1122, 18196), (1496, 13647), (2244, 9098), (4488, 4549)]