20213676

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 39409524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1637, 1764, 2058, 3087, 3274, 4116, 4911, 6174, 6548, 9822, 11459, 12348, 14733, 19644, 22918, 29466, 34377, 45836, 58932, 68754, 80213, 103131, 137508, 160426, 206262, 240639, 320852, 412524, 481278, 561491, 721917, 962556, 1122982, 1443834, 1684473, 2245964, 2887668, 3368946, 5053419, 6737892, 10106838, 20213676]

約数ペア:

[(1, 20213676), (2, 10106838), (3, 6737892), (4, 5053419), (6, 3368946), (7, 2887668), (9, 2245964), (12, 1684473), (14, 1443834), (18, 1122982), (21, 962556), (28, 721917), (36, 561491), (42, 481278), (49, 412524), (63, 320852), (84, 240639), (98, 206262), (126, 160426), (147, 137508), (196, 103131), (252, 80213), (294, 68754), (343, 58932), (441, 45836), (588, 34377), (686, 29466), (882, 22918), (1029, 19644), (1372, 14733), (1637, 12348), (1764, 11459), (2058, 9822), (3087, 6548), (3274, 6174), (4116, 4911)]