20602019945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{66629}}^1$

素因数の和:66785

約数の個数: 32

約数和(自身を含む): 27402520320

約数和(自身を除く): 6800500375

約数列:

[1, 5, 13, 65, 67, 71, 335, 355, 871, 923, 4355, 4615, 4757, 23785, 61841, 66629, 309205, 333145, 866177, 4330885, 4464143, 4730659, 22320715, 23653295, 58033859, 61498567, 290169295, 307492835, 316954153, 1584770765, 4120403989, 20602019945]

約数ペア:

[(1, 20602019945), (5, 4120403989), (13, 1584770765), (65, 316954153), (67, 307492835), (71, 290169295), (335, 61498567), (355, 58033859), (871, 23653295), (923, 22320715), (4355, 4730659), (4615, 4464143), (4757, 4330885), (23785, 866177), (61841, 333145), (66629, 309205)]