20493304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1951}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 41811840

約数和(自身を除く): 21318536

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1951, 2626, 3902, 5252, 7804, 10504, 15608, 25363, 50726, 101452, 197051, 202904, 394102, 788204, 1576408, 2561663, 5123326, 10246652, 20493304]

約数ペア:

[(1, 20493304), (2, 10246652), (4, 5123326), (8, 2561663), (13, 1576408), (26, 788204), (52, 394102), (101, 202904), (104, 197051), (202, 101452), (404, 50726), (808, 25363), (1313, 15608), (1951, 10504), (2626, 7804), (3902, 5252)]