20331389

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 23033472

約数和(自身を除く): 2702083

約数列:

[1, 13, 37, 43, 481, 559, 983, 1591, 12779, 20683, 36371, 42269, 472823, 549497, 1563953, 20331389]

約数ペア:

[(1, 20331389), (13, 1563953), (37, 549497), (43, 472823), (481, 42269), (559, 36371), (983, 20683), (1591, 12779)]