20709798

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 46006272

約数和(自身を除く): 25296474

約数列:

[1, 2, 3, 6, 23, 31, 46, 47, 62, 69, 93, 94, 103, 138, 141, 186, 206, 282, 309, 618, 713, 1081, 1426, 1457, 2139, 2162, 2369, 2914, 3193, 3243, 4278, 4371, 4738, 4841, 6386, 6486, 7107, 8742, 9579, 9682, 14214, 14523, 19158, 29046, 33511, 67022, 73439, 100533, 111343, 146878, 150071, 201066, 220317, 222686, 300142, 334029, 440634, 450213, 668058, 900426, 3451633, 6903266, 10354899, 20709798]

約数ペア:

[(1, 20709798), (2, 10354899), (3, 6903266), (6, 3451633), (23, 900426), (31, 668058), (46, 450213), (47, 440634), (62, 334029), (69, 300142), (93, 222686), (94, 220317), (103, 201066), (138, 150071), (141, 146878), (186, 111343), (206, 100533), (282, 73439), (309, 67022), (618, 33511), (713, 29046), (1081, 19158), (1426, 14523), (1457, 14214), (2139, 9682), (2162, 9579), (2369, 8742), (2914, 7107), (3193, 6486), (3243, 6386), (4278, 4841), (4371, 4738)]