20216448010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{21599}}^1$

素因数の和:21811

約数の個数: 64

約数和(自身を含む): 40609382400

約数和(自身を除く): 20392934390

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 127, 134, 254, 335, 635, 670, 737, 1270, 1397, 1474, 2794, 3685, 6985, 7370, 8509, 13970, 17018, 21599, 42545, 43198, 85090, 93599, 107995, 187198, 215990, 237589, 467995, 475178, 935990, 1187945, 1447133, 2375890, 2743073, 2894266, 5486146, 7235665, 13715365, 14471330, 15918463, 27430730, 30173803, 31836926, 60347606, 79592315, 150869015, 159184630, 183785891, 301738030, 367571782, 918929455, 1837858910, 2021644801, 4043289602, 10108224005, 20216448010]

約数ペア:

[(1, 20216448010), (2, 10108224005), (5, 4043289602), (10, 2021644801), (11, 1837858910), (22, 918929455), (55, 367571782), (67, 301738030), (110, 183785891), (127, 159184630), (134, 150869015), (254, 79592315), (335, 60347606), (635, 31836926), (670, 30173803), (737, 27430730), (1270, 15918463), (1397, 14471330), (1474, 13715365), (2794, 7235665), (3685, 5486146), (6985, 2894266), (7370, 2743073), (8509, 2375890), (13970, 1447133), (17018, 1187945), (21599, 935990), (42545, 475178), (43198, 467995), (85090, 237589), (93599, 215990), (107995, 187198)]