20172568845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{854951}}^1$

素因数の和:854994

約数の個数: 48

約数和(自身を含む): 38206094976

約数和(自身を除く): 18033526131

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 1573, 1815, 2145, 4719, 7865, 23595, 854951, 2564853, 4274755, 9404461, 11114363, 12824265, 28213383, 33343089, 47022305, 55571815, 103449071, 122257993, 141066915, 166715445, 310347213, 366773979, 517245355, 611289965, 1344837923, 1551736065, 1833869895, 4034513769, 6724189615, 20172568845]

約数ペア:

[(1, 20172568845), (3, 6724189615), (5, 4034513769), (11, 1833869895), (13, 1551736065), (15, 1344837923), (33, 611289965), (39, 517245355), (55, 366773979), (65, 310347213), (121, 166715445), (143, 141066915), (165, 122257993), (195, 103449071), (363, 55571815), (429, 47022305), (605, 33343089), (715, 28213383), (1573, 12824265), (1815, 11114363), (2145, 9404461), (4719, 4274755), (7865, 2564853), (23595, 854951)]