20218442405

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{102551}}^1$

素因数の和:102737

約数の個数: 32

約数和(自身を含む): 28589856768

約数和(自身を除く): 8371414363

約数列:

[1, 5, 7, 35, 43, 131, 215, 301, 655, 917, 1505, 4585, 5633, 28165, 39431, 102551, 197155, 512755, 717857, 3589285, 4409693, 13434181, 22048465, 30867851, 67170905, 94039267, 154339255, 470196335, 577669783, 2888348915, 4043688481, 20218442405]

約数ペア:

[(1, 20218442405), (5, 4043688481), (7, 2888348915), (35, 577669783), (43, 470196335), (131, 154339255), (215, 94039267), (301, 67170905), (655, 30867851), (917, 22048465), (1505, 13434181), (4585, 4409693), (5633, 3589285), (28165, 717857), (39431, 512755), (102551, 197155)]