20508138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 33270678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 53, 63, 74, 83, 106, 111, 126, 159, 166, 222, 249, 259, 318, 333, 371, 477, 498, 518, 581, 666, 742, 747, 777, 954, 1113, 1162, 1494, 1554, 1743, 1961, 2226, 2331, 3071, 3339, 3486, 3922, 4399, 4662, 5229, 5883, 6142, 6678, 8798, 9213, 10458, 11766, 13197, 13727, 17649, 18426, 21497, 26394, 27454, 27639, 30793, 35298, 39591, 41181, 42994, 55278, 61586, 64491, 79182, 82362, 92379, 123543, 128982, 162763, 184758, 193473, 247086, 277137, 325526, 386946, 488289, 554274, 976578, 1139341, 1464867, 2278682, 2929734, 3418023, 6836046, 10254069, 20508138]

約数ペア:

[(1, 20508138), (2, 10254069), (3, 6836046), (6, 3418023), (7, 2929734), (9, 2278682), (14, 1464867), (18, 1139341), (21, 976578), (37, 554274), (42, 488289), (53, 386946), (63, 325526), (74, 277137), (83, 247086), (106, 193473), (111, 184758), (126, 162763), (159, 128982), (166, 123543), (222, 92379), (249, 82362), (259, 79182), (318, 64491), (333, 61586), (371, 55278), (477, 42994), (498, 41181), (518, 39591), (581, 35298), (666, 30793), (742, 27639), (747, 27454), (777, 26394), (954, 21497), (1113, 18426), (1162, 17649), (1494, 13727), (1554, 13197), (1743, 11766), (1961, 10458), (2226, 9213), (2331, 8798), (3071, 6678), (3339, 6142), (3486, 5883), (3922, 5229), (4399, 4662)]