20714785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 10492895

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 859, 1855, 3445, 4295, 4823, 6013, 11167, 24115, 30065, 45527, 55835, 78169, 227635, 318689, 390845, 591851, 1593445, 2959255, 4142957, 20714785]

約数ペア:

[(1, 20714785), (5, 4142957), (7, 2959255), (13, 1593445), (35, 591851), (53, 390845), (65, 318689), (91, 227635), (265, 78169), (371, 55835), (455, 45527), (689, 30065), (859, 24115), (1855, 11167), (3445, 6013), (4295, 4823)]