20802430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 41054688

約数和(自身を除く): 20252258

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 673, 1346, 1405, 2810, 3091, 3365, 6182, 6730, 7403, 14806, 15455, 30910, 37015, 74030, 189113, 378226, 945565, 1891130, 2080243, 4160486, 10401215, 20802430]

約数ペア:

[(1, 20802430), (2, 10401215), (5, 4160486), (10, 2080243), (11, 1891130), (22, 945565), (55, 378226), (110, 189113), (281, 74030), (562, 37015), (673, 30910), (1346, 15455), (1405, 14806), (2810, 7403), (3091, 6730), (3365, 6182)]