20407563

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1483}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 32410560

約数和(自身を除く): 12002997

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1483, 1529, 4449, 4587, 13347, 13761, 16313, 48939, 146817, 206137, 618411, 1855233, 2267507, 6802521, 20407563]

約数ペア:

[(1, 20407563), (3, 6802521), (9, 2267507), (11, 1855233), (33, 618411), (99, 206137), (139, 146817), (417, 48939), (1251, 16313), (1483, 13761), (1529, 13347), (4449, 4587)]