20121708436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{18661}}^1$

素因数の和:18940

約数の個数: 48

約数和(自身を含む): 37895355792

約数和(自身を除く): 17773647356

約数列:

[1, 2, 4, 17, 34, 68, 101, 157, 202, 314, 404, 628, 1717, 2669, 3434, 5338, 6868, 10676, 15857, 18661, 31714, 37322, 63428, 74644, 269569, 317237, 539138, 634474, 1078276, 1268948, 1884761, 2929777, 3769522, 5859554, 7539044, 11719108, 32040937, 49806209, 64081874, 99612418, 128163748, 199224836, 295907477, 591814954, 1183629908, 5030427109, 10060854218, 20121708436]

約数ペア:

[(1, 20121708436), (2, 10060854218), (4, 5030427109), (17, 1183629908), (34, 591814954), (68, 295907477), (101, 199224836), (157, 128163748), (202, 99612418), (314, 64081874), (404, 49806209), (628, 32040937), (1717, 11719108), (2669, 7539044), (3434, 5859554), (5338, 3769522), (6868, 2929777), (10676, 1884761), (15857, 1268948), (18661, 1078276), (31714, 634474), (37322, 539138), (63428, 317237), (74644, 269569)]