20126137797

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{21023}}^1$

素因数の和:21311

約数の個数: 40

約数和(自身を含む): 30771062784

約数和(自身を除く): 10644924987

約数列:

[1, 3, 9, 27, 53, 81, 159, 223, 477, 669, 1431, 2007, 4293, 6021, 11819, 18063, 21023, 35457, 63069, 106371, 189207, 319113, 567621, 957339, 1114219, 1702863, 3342657, 4688129, 10027971, 14064387, 30083913, 42193161, 90251739, 126579483, 248470837, 379738449, 745412511, 2236237533, 6708712599, 20126137797]

約数ペア:

[(1, 20126137797), (3, 6708712599), (9, 2236237533), (27, 745412511), (53, 379738449), (81, 248470837), (159, 126579483), (223, 90251739), (477, 42193161), (669, 30083913), (1431, 14064387), (2007, 10027971), (4293, 4688129), (6021, 3342657), (11819, 1702863), (18063, 1114219), (21023, 957339), (35457, 567621), (63069, 319113), (106371, 189207)]