20070486891

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{790519}}^1$

素因数の和:790576

約数の個数: 48

約数和(自身を含む): 36831907840

約数和(自身を除く): 16761420949

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 8463, 25389, 790519, 2371557, 5533633, 7114671, 10276747, 16600899, 24506089, 30830241, 49802697, 71937229, 73518267, 92490723, 171542623, 215811687, 220554801, 318579157, 514627869, 647435061, 955737471, 1543883607, 2230054099, 2867212413, 6690162297, 20070486891]

約数ペア:

[(1, 20070486891), (3, 6690162297), (7, 2867212413), (9, 2230054099), (13, 1543883607), (21, 955737471), (31, 647435061), (39, 514627869), (63, 318579157), (91, 220554801), (93, 215811687), (117, 171542623), (217, 92490723), (273, 73518267), (279, 71937229), (403, 49802697), (651, 30830241), (819, 24506089), (1209, 16600899), (1953, 10276747), (2821, 7114671), (3627, 5533633), (8463, 2371557), (25389, 790519)]