20506542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1399}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 47040000

約数和(自身を除く): 26533458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 698, 1047, 1399, 2094, 2443, 2798, 4197, 4886, 7329, 8394, 9793, 14658, 19586, 29379, 58758, 488251, 976502, 1464753, 2929506, 3417757, 6835514, 10253271, 20506542]

約数ペア:

[(1, 20506542), (2, 10253271), (3, 6835514), (6, 3417757), (7, 2929506), (14, 1464753), (21, 976502), (42, 488251), (349, 58758), (698, 29379), (1047, 19586), (1399, 14658), (2094, 9793), (2443, 8394), (2798, 7329), (4197, 4886)]