20565715371

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{55399}}^1$

素因数の和:55699

約数の個数: 32

約数和(自身を含む): 30155328000

約数和(自身を除く): 9589612629

約数列:

[1, 3, 17, 29, 51, 87, 251, 493, 753, 1479, 4267, 7279, 12801, 21837, 55399, 123743, 166197, 371229, 941783, 1606571, 2825349, 4819713, 13905149, 27311707, 41715447, 81935121, 236387533, 403249321, 709162599, 1209747963, 6855238457, 20565715371]

約数ペア:

[(1, 20565715371), (3, 6855238457), (17, 1209747963), (29, 709162599), (51, 403249321), (87, 236387533), (251, 81935121), (493, 41715447), (753, 27311707), (1479, 13905149), (4267, 4819713), (7279, 2825349), (12801, 1606571), (21837, 941783), (55399, 371229), (123743, 166197)]