20291206298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 34252968960

約数和(自身を除く): 13961762662

約数列:

[1, 2, 11, 22, 71, 89, 142, 178, 227, 454, 643, 781, 979, 1286, 1562, 1958, 2497, 4994, 6319, 7073, 12638, 14146, 16117, 20203, 32234, 40406, 45653, 57227, 69509, 91306, 114454, 139018, 145961, 177287, 222233, 291922, 354574, 444466, 502183, 629497, 1004366, 1258994, 1434413, 1605571, 2868826, 3211142, 4063117, 8126234, 10363231, 12990529, 15778543, 20726462, 25981058, 31557086, 44694287, 89388574, 113995541, 142895819, 227991082, 285791638, 922327559, 1844655118, 10145603149, 20291206298]

約数ペア:

[(1, 20291206298), (2, 10145603149), (11, 1844655118), (22, 922327559), (71, 285791638), (89, 227991082), (142, 142895819), (178, 113995541), (227, 89388574), (454, 44694287), (643, 31557086), (781, 25981058), (979, 20726462), (1286, 15778543), (1562, 12990529), (1958, 10363231), (2497, 8126234), (4994, 4063117), (6319, 3211142), (7073, 2868826), (12638, 1605571), (14146, 1434413), (16117, 1258994), (20203, 1004366), (32234, 629497), (40406, 502183), (45653, 444466), (57227, 354574), (69509, 291922), (91306, 222233), (114454, 177287), (139018, 145961)]