20125882

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 16000838

約数列:

[1, 2, 7, 14, 31, 62, 79, 158, 217, 434, 553, 587, 1106, 1174, 2449, 4109, 4898, 8218, 17143, 18197, 34286, 36394, 46373, 92746, 127379, 254758, 324611, 649222, 1437563, 2875126, 10062941, 20125882]

約数ペア:

[(1, 20125882), (2, 10062941), (7, 2875126), (14, 1437563), (31, 649222), (62, 324611), (79, 254758), (158, 127379), (217, 92746), (434, 46373), (553, 36394), (587, 34286), (1106, 18197), (1174, 17143), (2449, 8218), (4109, 4898)]