20004486

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 41665536

約数和(自身を除く): 21661050

約数列:

[1, 2, 3, 6, 31, 62, 93, 131, 186, 262, 393, 786, 821, 1642, 2463, 4061, 4926, 8122, 12183, 24366, 25451, 50902, 76353, 107551, 152706, 215102, 322653, 645306, 3334081, 6668162, 10002243, 20004486]

約数ペア:

[(1, 20004486), (2, 10002243), (3, 6668162), (6, 3334081), (31, 645306), (62, 322653), (93, 215102), (131, 152706), (186, 107551), (262, 76353), (393, 50902), (786, 25451), (821, 24366), (1642, 12183), (2463, 8122), (4061, 4926)]