20550872097

素因数分解:

$3^3\times 7^4\times {\mathrm{317011}}^1$

素因数の和:317048

約数の個数: 40

約数和(自身を含む): 35518024480

約数和(自身を除く): 14967152383

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2401, 3087, 7203, 9261, 21609, 64827, 317011, 951033, 2219077, 2853099, 6657231, 8559297, 15533539, 19971693, 46600617, 59915079, 108734773, 139801851, 326204319, 419405553, 761143411, 978612957, 2283430233, 2935838871, 6850290699, 20550872097]

約数ペア:

[(1, 20550872097), (3, 6850290699), (7, 2935838871), (9, 2283430233), (21, 978612957), (27, 761143411), (49, 419405553), (63, 326204319), (147, 139801851), (189, 108734773), (343, 59915079), (441, 46600617), (1029, 19971693), (1323, 15533539), (2401, 8559297), (3087, 6657231), (7203, 2853099), (9261, 2219077), (21609, 951033), (64827, 317011)]