16704460

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1303}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 35161056

約数和(自身を除く): 18456596

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 1303, 2564, 2606, 3205, 5212, 6410, 6515, 12820, 13030, 26060, 835223, 1670446, 3340892, 4176115, 8352230, 16704460]

約数ペア:

[(1, 16704460), (2, 8352230), (4, 4176115), (5, 3340892), (10, 1670446), (20, 835223), (641, 26060), (1282, 13030), (1303, 12820), (2564, 6515), (2606, 6410), (3205, 5212)]