20657792

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 41412000

約数和(自身を除く): 20754208

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 811, 1592, 1622, 3184, 3244, 6368, 6488, 12736, 12976, 25472, 25952, 51904, 103808, 161389, 322778, 645556, 1291112, 2582224, 5164448, 10328896, 20657792]

約数ペア:

[(1, 20657792), (2, 10328896), (4, 5164448), (8, 2582224), (16, 1291112), (32, 645556), (64, 322778), (128, 161389), (199, 103808), (398, 51904), (796, 25952), (811, 25472), (1592, 12976), (1622, 12736), (3184, 6488), (3244, 6368)]