20009306876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{67853}}^1$

素因数の和:68030

約数の個数: 48

約数和(自身を含む): 38781003744

約数和(自身を除く): 18771696868

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 107, 212, 214, 428, 689, 1378, 1391, 2756, 2782, 5564, 5671, 11342, 22684, 67853, 73723, 135706, 147446, 271412, 294892, 882089, 1764178, 3528356, 3596209, 7192418, 7260271, 14384836, 14520542, 29041084, 46750717, 93501434, 94383523, 187002868, 188767046, 377534092, 384794363, 769588726, 1539177452, 5002326719, 10004653438, 20009306876]

約数ペア:

[(1, 20009306876), (2, 10004653438), (4, 5002326719), (13, 1539177452), (26, 769588726), (52, 384794363), (53, 377534092), (106, 188767046), (107, 187002868), (212, 94383523), (214, 93501434), (428, 46750717), (689, 29041084), (1378, 14520542), (1391, 14384836), (2756, 7260271), (2782, 7192418), (5564, 3596209), (5671, 3528356), (11342, 1764178), (22684, 882089), (67853, 294892), (73723, 271412), (135706, 147446)]