20403291249

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{311791}}^1$

素因数の和:312469

約数の個数: 24

約数和(自身を含む): 32199383424

約数和(自身を除く): 11796092175

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 5949, 7271, 21813, 65439, 311791, 935373, 2806119, 3429701, 10289103, 30867309, 206093851, 618281553, 1854844659, 2267032361, 6801097083, 20403291249]

約数ペア:

[(1, 20403291249), (3, 6801097083), (9, 2267032361), (11, 1854844659), (33, 618281553), (99, 206093851), (661, 30867309), (1983, 10289103), (5949, 3429701), (7271, 2806119), (21813, 935373), (65439, 311791)]