20126060920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71878789}}^1$

素因数の和:71878807

約数の個数: 32

約数和(自身を含む): 51752728800

約数和(自身を除く): 31626667880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71878789, 143757578, 287515156, 359393945, 503151523, 575030312, 718787890, 1006303046, 1437575780, 2012606092, 2515757615, 2875151560, 4025212184, 5031515230, 10063030460, 20126060920]

約数ペア:

[(1, 20126060920), (2, 10063030460), (4, 5031515230), (5, 4025212184), (7, 2875151560), (8, 2515757615), (10, 2012606092), (14, 1437575780), (20, 1006303046), (28, 718787890), (35, 575030312), (40, 503151523), (56, 359393945), (70, 287515156), (140, 143757578), (280, 71878789)]