20123892110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{33479}}^1$

素因数の和:33801

約数の個数: 64

約数和(自身を含む): 42888683520

約数和(自身を除く): 22764791410

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 277, 310, 434, 554, 1085, 1385, 1939, 2170, 2770, 3878, 8587, 9695, 17174, 19390, 33479, 42935, 60109, 66958, 85870, 120218, 167395, 234353, 300545, 334790, 468706, 601090, 1037849, 1171765, 2075698, 2343530, 5189245, 7264943, 9273683, 10378490, 14529886, 18547366, 36324715, 46368415, 64915781, 72649430, 92736830, 129831562, 287484173, 324578905, 574968346, 649157810, 1437420865, 2012389211, 2874841730, 4024778422, 10061946055, 20123892110]

約数ペア:

[(1, 20123892110), (2, 10061946055), (5, 4024778422), (7, 2874841730), (10, 2012389211), (14, 1437420865), (31, 649157810), (35, 574968346), (62, 324578905), (70, 287484173), (155, 129831562), (217, 92736830), (277, 72649430), (310, 64915781), (434, 46368415), (554, 36324715), (1085, 18547366), (1385, 14529886), (1939, 10378490), (2170, 9273683), (2770, 7264943), (3878, 5189245), (8587, 2343530), (9695, 2075698), (17174, 1171765), (19390, 1037849), (33479, 601090), (42935, 468706), (60109, 334790), (66958, 300545), (85870, 234353), (120218, 167395)]