20336554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 36723456

約数和(自身を除く): 16386902

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 461, 922, 959, 1918, 3151, 3227, 6302, 6454, 10603, 21206, 22057, 44114, 63157, 74221, 126314, 148442, 442099, 884198, 1452611, 2905222, 10168277, 20336554]

約数ペア:

[(1, 20336554), (2, 10168277), (7, 2905222), (14, 1452611), (23, 884198), (46, 442099), (137, 148442), (161, 126314), (274, 74221), (322, 63157), (461, 44114), (922, 22057), (959, 21206), (1918, 10603), (3151, 6454), (3227, 6302)]