20455718402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7283}}^1\times {\mathrm{10559}}^1$

素因数の和:17870

約数の個数: 32

約数和(自身を含む): 36921139200

約数和(自身を除く): 16465420798

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7283, 10559, 14566, 21118, 50981, 73913, 101962, 138377, 147826, 200621, 276754, 401242, 968639, 1404347, 1937278, 2808694, 76901197, 153802394, 538308379, 1076616758, 1461122743, 2922245486, 10227859201, 20455718402]

約数ペア:

[(1, 20455718402), (2, 10227859201), (7, 2922245486), (14, 1461122743), (19, 1076616758), (38, 538308379), (133, 153802394), (266, 76901197), (7283, 2808694), (10559, 1937278), (14566, 1404347), (21118, 968639), (50981, 401242), (73913, 276754), (101962, 200621), (138377, 147826)]