20803419

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8467}}^1$

素因数の和:8496

約数の個数: 32

約数和(自身を含む): 37936640

約数和(自身を除く): 17133221

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8467, 25401, 59269, 76203, 110071, 177807, 228609, 330213, 533421, 770497, 990639, 1600263, 2311491, 2971917, 6934473, 20803419]

約数ペア:

[(1, 20803419), (3, 6934473), (7, 2971917), (9, 2311491), (13, 1600263), (21, 990639), (27, 770497), (39, 533421), (63, 330213), (91, 228609), (117, 177807), (189, 110071), (273, 76203), (351, 59269), (819, 25401), (2457, 8467)]