20121889922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{35603}}^1$

素因数の和:35870

約数の個数: 32

約数和(自身を含む): 32299948800

約数和(自身を除く): 12178058878

約数列:

[1, 2, 19, 38, 107, 139, 214, 278, 2033, 2641, 4066, 5282, 14873, 29746, 35603, 71206, 282587, 565174, 676457, 1352914, 3809521, 4948817, 7619042, 9897634, 72380899, 94027523, 144761798, 188055046, 529523419, 1059046838, 10060944961, 20121889922]

約数ペア:

[(1, 20121889922), (2, 10060944961), (19, 1059046838), (38, 529523419), (107, 188055046), (139, 144761798), (214, 94027523), (278, 72380899), (2033, 9897634), (2641, 7619042), (4066, 4948817), (5282, 3809521), (14873, 1352914), (29746, 676457), (35603, 565174), (71206, 282587)]