20523384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 65070720

約数和(自身を除く): 44547336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 947, 1032, 1204, 1548, 1806, 1894, 2408, 2709, 2841, 3096, 3612, 3788, 5418, 5682, 6629, 7224, 7576, 8523, 10836, 11364, 13258, 17046, 19887, 21672, 22728, 26516, 34092, 39774, 40721, 53032, 59661, 68184, 79548, 81442, 119322, 122163, 159096, 162884, 238644, 244326, 285047, 325768, 366489, 477288, 488652, 570094, 732978, 855141, 977304, 1140188, 1465956, 1710282, 2280376, 2565423, 2931912, 3420564, 5130846, 6841128, 10261692, 20523384]

約数ペア:

[(1, 20523384), (2, 10261692), (3, 6841128), (4, 5130846), (6, 3420564), (7, 2931912), (8, 2565423), (9, 2280376), (12, 1710282), (14, 1465956), (18, 1140188), (21, 977304), (24, 855141), (28, 732978), (36, 570094), (42, 488652), (43, 477288), (56, 366489), (63, 325768), (72, 285047), (84, 244326), (86, 238644), (126, 162884), (129, 159096), (168, 122163), (172, 119322), (252, 81442), (258, 79548), (301, 68184), (344, 59661), (387, 53032), (504, 40721), (516, 39774), (602, 34092), (774, 26516), (903, 22728), (947, 21672), (1032, 19887), (1204, 17046), (1548, 13258), (1806, 11364), (1894, 10836), (2408, 8523), (2709, 7576), (2841, 7224), (3096, 6629), (3612, 5682), (3788, 5418)]