20855236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 38717280

約数和(自身を除く): 17862044

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2003, 2603, 4006, 5206, 8012, 10412, 38057, 76114, 152228, 274411, 548822, 1097644, 5213809, 10427618, 20855236]

約数ペア:

[(1, 20855236), (2, 10427618), (4, 5213809), (19, 1097644), (38, 548822), (76, 274411), (137, 152228), (274, 76114), (548, 38057), (2003, 10412), (2603, 8012), (4006, 5206)]