20175978231

素因数分解:

$3^7\times {\mathrm{131}}^1\times {\mathrm{70423}}^1$

素因数の和:70575

約数の個数: 32

約数和(自身を含む): 30490775040

約数和(自身を除く): 10314796809

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 729, 1179, 2187, 3537, 10611, 31833, 70423, 95499, 211269, 286497, 633807, 1901421, 5704263, 9225413, 17112789, 27676239, 51338367, 83028717, 154015101, 249086151, 747258453, 2241775359, 6725326077, 20175978231]

約数ペア:

[(1, 20175978231), (3, 6725326077), (9, 2241775359), (27, 747258453), (81, 249086151), (131, 154015101), (243, 83028717), (393, 51338367), (729, 27676239), (1179, 17112789), (2187, 9225413), (3537, 5704263), (10611, 1901421), (31833, 633807), (70423, 286497), (95499, 211269)]