20115225845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{15569}}^1$

素因数の和:15750

約数の個数: 48

約数和(自身を含む): 28721044800

約数和(自身を除く): 8605818955

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 169, 695, 715, 845, 1529, 1807, 1859, 7645, 9035, 9295, 15569, 19877, 23491, 77845, 99385, 117455, 171259, 202397, 258401, 856295, 1011985, 1292005, 2164091, 2226367, 2631161, 10820455, 11131835, 13155805, 23805001, 28133183, 28942771, 119025005, 140665915, 144713855, 309465013, 365731379, 1547325065, 1828656895, 4023045169, 20115225845]

約数ペア:

[(1, 20115225845), (5, 4023045169), (11, 1828656895), (13, 1547325065), (55, 365731379), (65, 309465013), (139, 144713855), (143, 140665915), (169, 119025005), (695, 28942771), (715, 28133183), (845, 23805001), (1529, 13155805), (1807, 11131835), (1859, 10820455), (7645, 2631161), (9035, 2226367), (9295, 2164091), (15569, 1292005), (19877, 1011985), (23491, 856295), (77845, 258401), (99385, 202397), (117455, 171259)]