20053935

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 39836160

約数和(自身を除く): 19782225

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 127, 145, 165, 261, 319, 363, 381, 435, 495, 605, 635, 957, 1089, 1143, 1305, 1397, 1595, 1815, 1905, 2871, 3509, 3683, 4191, 4785, 5445, 5715, 6985, 10527, 11049, 12573, 14355, 15367, 17545, 18415, 20955, 31581, 33147, 40513, 46101, 52635, 55245, 62865, 76835, 121539, 138303, 157905, 165735, 202565, 230505, 364617, 445643, 607695, 691515, 1336929, 1823085, 2228215, 4010787, 6684645, 20053935]

約数ペア:

[(1, 20053935), (3, 6684645), (5, 4010787), (9, 2228215), (11, 1823085), (15, 1336929), (29, 691515), (33, 607695), (45, 445643), (55, 364617), (87, 230505), (99, 202565), (121, 165735), (127, 157905), (145, 138303), (165, 121539), (261, 76835), (319, 62865), (363, 55245), (381, 52635), (435, 46101), (495, 40513), (605, 33147), (635, 31581), (957, 20955), (1089, 18415), (1143, 17545), (1305, 15367), (1397, 14355), (1595, 12573), (1815, 11049), (1905, 10527), (2871, 6985), (3509, 5715), (3683, 5445), (4191, 4785)]