20131380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1153}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 61748232

約数和(自身を除く): 41616852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1153, 1164, 1455, 1746, 1940, 2306, 2910, 3459, 3492, 4365, 4612, 5765, 5820, 6918, 8730, 10377, 11530, 13836, 17295, 17460, 20754, 23060, 34590, 41508, 51885, 69180, 103770, 111841, 207540, 223682, 335523, 447364, 559205, 671046, 1006569, 1118410, 1342092, 1677615, 2013138, 2236820, 3355230, 4026276, 5032845, 6710460, 10065690, 20131380]

約数ペア:

[(1, 20131380), (2, 10065690), (3, 6710460), (4, 5032845), (5, 4026276), (6, 3355230), (9, 2236820), (10, 2013138), (12, 1677615), (15, 1342092), (18, 1118410), (20, 1006569), (30, 671046), (36, 559205), (45, 447364), (60, 335523), (90, 223682), (97, 207540), (180, 111841), (194, 103770), (291, 69180), (388, 51885), (485, 41508), (582, 34590), (873, 23060), (970, 20754), (1153, 17460), (1164, 17295), (1455, 13836), (1746, 11530), (1940, 10377), (2306, 8730), (2910, 6918), (3459, 5820), (3492, 5765), (4365, 4612)]