20214194

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 22363726

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 439, 506, 598, 878, 1001, 1771, 2002, 2093, 3073, 3289, 3542, 4186, 4829, 5707, 6146, 6578, 9658, 10097, 11414, 20194, 23023, 33803, 39949, 46046, 62777, 67606, 70679, 79898, 111067, 125554, 131261, 141358, 222134, 262522, 439439, 777469, 878878, 918827, 1443871, 1554938, 1837654, 2887742, 10107097, 20214194]

約数ペア:

[(1, 20214194), (2, 10107097), (7, 2887742), (11, 1837654), (13, 1554938), (14, 1443871), (22, 918827), (23, 878878), (26, 777469), (46, 439439), (77, 262522), (91, 222134), (143, 141358), (154, 131261), (161, 125554), (182, 111067), (253, 79898), (286, 70679), (299, 67606), (322, 62777), (439, 46046), (506, 39949), (598, 33803), (878, 23023), (1001, 20194), (1771, 11414), (2002, 10097), (2093, 9658), (3073, 6578), (3289, 6146), (3542, 5707), (4186, 4829)]