20451087

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2983

約数の個数: 24

約数和(自身を含む): 31864560

約数和(自身を除く): 11413473

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2917, 7011, 8751, 26253, 55423, 119597, 166269, 358791, 498807, 1076373, 2272343, 6817029, 20451087]

約数ペア:

[(1, 20451087), (3, 6817029), (9, 2272343), (19, 1076373), (41, 498807), (57, 358791), (123, 166269), (171, 119597), (369, 55423), (779, 26253), (2337, 8751), (2917, 7011)]