20996987199

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1\times {\mathrm{599}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 28834444800

約数和(自身を除く): 7837457601

約数列:

[1, 3, 41, 123, 521, 547, 599, 1563, 1641, 1797, 21361, 22427, 24559, 64083, 67281, 73677, 284987, 312079, 327653, 854961, 936237, 982959, 11684467, 12795239, 13433773, 35053401, 38385717, 40301319, 170707213, 512121639, 6998995733, 20996987199]

約数ペア:

[(1, 20996987199), (3, 6998995733), (41, 512121639), (123, 170707213), (521, 40301319), (547, 38385717), (599, 35053401), (1563, 13433773), (1641, 12795239), (1797, 11684467), (21361, 982959), (22427, 936237), (24559, 854961), (64083, 327653), (67281, 312079), (73677, 284987)]