20122193

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 26046720

約数和(自身を除く): 5924527

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1019, 1519, 2821, 7133, 13247, 19747, 31589, 49931, 92729, 221123, 410657, 649103, 1547861, 2874599, 20122193]

約数ペア:

[(1, 20122193), (7, 2874599), (13, 1547861), (31, 649103), (49, 410657), (91, 221123), (217, 92729), (403, 49931), (637, 31589), (1019, 19747), (1519, 13247), (2821, 7133)]