20121155068

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3611119}}^1$

素因数の和:3611329

約数の個数: 24

約数和(自身を含む): 40444544000

約数和(自身を除く): 20323388932

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 3611119, 7222238, 14444476, 25277833, 50555666, 101111332, 718612681, 1437225362, 2874450724, 5030288767, 10060577534, 20121155068]

約数ペア:

[(1, 20121155068), (2, 10060577534), (4, 5030288767), (7, 2874450724), (14, 1437225362), (28, 718612681), (199, 101111332), (398, 50555666), (796, 25277833), (1393, 14444476), (2786, 7222238), (5572, 3611119)]