20215043820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{108929}}^1$

素因数の和:109975

約数の個数: 72

約数和(自身を含む): 61379004960

約数和(自身を除く): 41163961140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1031, 2062, 3093, 4124, 5155, 6186, 9279, 10310, 12372, 15465, 18558, 20620, 30930, 37116, 46395, 61860, 92790, 108929, 185580, 217858, 326787, 435716, 544645, 653574, 980361, 1089290, 1307148, 1633935, 1960722, 2178580, 3267870, 3921444, 4901805, 6535740, 9803610, 19607220, 112305799, 224611598, 336917397, 449223196, 561528995, 673834794, 1010752191, 1123057990, 1347669588, 1684586985, 2021504382, 2246115980, 3369173970, 4043008764, 5053760955, 6738347940, 10107521910, 20215043820]

約数ペア:

[(1, 20215043820), (2, 10107521910), (3, 6738347940), (4, 5053760955), (5, 4043008764), (6, 3369173970), (9, 2246115980), (10, 2021504382), (12, 1684586985), (15, 1347669588), (18, 1123057990), (20, 1010752191), (30, 673834794), (36, 561528995), (45, 449223196), (60, 336917397), (90, 224611598), (180, 112305799), (1031, 19607220), (2062, 9803610), (3093, 6535740), (4124, 4901805), (5155, 3921444), (6186, 3267870), (9279, 2178580), (10310, 1960722), (12372, 1633935), (15465, 1307148), (18558, 1089290), (20620, 980361), (30930, 653574), (37116, 544645), (46395, 435716), (61860, 326787), (92790, 217858), (108929, 185580)]