20123143355

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{166603}}^1$

素因数の和:166668

約数の個数: 48

約数和(自身を含む): 30768426720

約数和(自身を除く): 10645283365

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 245, 493, 595, 833, 1015, 1421, 2465, 3451, 4165, 7105, 17255, 24157, 120785, 166603, 833015, 1166221, 2832251, 4831487, 5831105, 8163547, 14161255, 19825757, 24157435, 33820409, 40817735, 82135279, 99128785, 138780299, 169102045, 236742863, 410676395, 574946953, 693901495, 1183714315, 2874734765, 4024628671, 20123143355]

約数ペア:

[(1, 20123143355), (5, 4024628671), (7, 2874734765), (17, 1183714315), (29, 693901495), (35, 574946953), (49, 410676395), (85, 236742863), (119, 169102045), (145, 138780299), (203, 99128785), (245, 82135279), (493, 40817735), (595, 33820409), (833, 24157435), (1015, 19825757), (1421, 14161255), (2465, 8163547), (3451, 5831105), (4165, 4831487), (7105, 2832251), (17255, 1166221), (24157, 833015), (120785, 166603)]