20091332469

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{874639}}^1$

素因数の和:874705

約数の個数: 32

約数和(自身を含む): 31347097600

約数和(自身を除く): 11255765131

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 7657, 22971, 874639, 2623917, 11370307, 16618141, 27113809, 34110921, 49854423, 81341427, 216035833, 352479517, 515162371, 648107499, 1057438551, 1545487113, 6697110823, 20091332469]

約数ペア:

[(1, 20091332469), (3, 6697110823), (13, 1545487113), (19, 1057438551), (31, 648107499), (39, 515162371), (57, 352479517), (93, 216035833), (247, 81341427), (403, 49854423), (589, 34110921), (741, 27113809), (1209, 16618141), (1767, 11370307), (7657, 2623917), (22971, 874639)]