20194912504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4515857}}^1$

素因数の和:4515919

約数の個数: 32

約数和(自身を含む): 41726527920

約数和(自身を除く): 21531615416

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4515857, 9031714, 18063428, 36126856, 58706141, 117412282, 194181851, 234824564, 388363702, 469649128, 776727404, 1553454808, 2524364063, 5048728126, 10097456252, 20194912504]

約数ペア:

[(1, 20194912504), (2, 10097456252), (4, 5048728126), (8, 2524364063), (13, 1553454808), (26, 776727404), (43, 469649128), (52, 388363702), (86, 234824564), (104, 194181851), (172, 117412282), (344, 58706141), (559, 36126856), (1118, 18063428), (2236, 9031714), (4472, 4515857)]