20187305523

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{24919}}^1$

素因数の和:25117

約数の個数: 72

約数和(自身を含む): 37226891520

約数和(自身を除く): 17039585997

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 167, 231, 441, 501, 539, 693, 1169, 1503, 1617, 1837, 3507, 4851, 5511, 8183, 10521, 12859, 16533, 24549, 24919, 38577, 73647, 74757, 90013, 115731, 174433, 224271, 270039, 274109, 523299, 810117, 822327, 1221031, 1569897, 1918763, 2466981, 3663093, 4161473, 5756289, 10989279, 12484419, 13431341, 17268867, 29130311, 37453257, 40294023, 45776203, 87390933, 120882069, 137328609, 203912177, 262172799, 320433421, 411985827, 611736531, 961300263, 1835209593, 2243033947, 2883900789, 6729101841, 20187305523]

約数ペア:

[(1, 20187305523), (3, 6729101841), (7, 2883900789), (9, 2243033947), (11, 1835209593), (21, 961300263), (33, 611736531), (49, 411985827), (63, 320433421), (77, 262172799), (99, 203912177), (147, 137328609), (167, 120882069), (231, 87390933), (441, 45776203), (501, 40294023), (539, 37453257), (693, 29130311), (1169, 17268867), (1503, 13431341), (1617, 12484419), (1837, 10989279), (3507, 5756289), (4851, 4161473), (5511, 3663093), (8183, 2466981), (10521, 1918763), (12859, 1569897), (16533, 1221031), (24549, 822327), (24919, 810117), (38577, 523299), (73647, 274109), (74757, 270039), (90013, 224271), (115731, 174433)]