20199427269

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{77527}}^1$

素因数の和:78209

約数の個数: 32

約数和(自身を含む): 32450119680

約数和(自身を除く): 12250692411

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 653, 1959, 4571, 12407, 13713, 37221, 77527, 86849, 232581, 260547, 542689, 1473013, 1628067, 4419039, 10311091, 30933273, 50625131, 151875393, 354375917, 961877489, 1063127751, 2885632467, 6733142423, 20199427269]

約数ペア:

[(1, 20199427269), (3, 6733142423), (7, 2885632467), (19, 1063127751), (21, 961877489), (57, 354375917), (133, 151875393), (399, 50625131), (653, 30933273), (1959, 10311091), (4571, 4419039), (12407, 1628067), (13713, 1473013), (37221, 542689), (77527, 260547), (86849, 232581)]