20525085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 42441984

約数和(自身を除く): 21916899

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2833, 7245, 8499, 14165, 19831, 25497, 42495, 59493, 65159, 99155, 127485, 178479, 195477, 297465, 325795, 456113, 586431, 892395, 977385, 1368339, 2280565, 2932155, 4105017, 6841695, 20525085]

約数ペア:

[(1, 20525085), (3, 6841695), (5, 4105017), (7, 2932155), (9, 2280565), (15, 1368339), (21, 977385), (23, 892395), (35, 586431), (45, 456113), (63, 325795), (69, 297465), (105, 195477), (115, 178479), (161, 127485), (207, 99155), (315, 65159), (345, 59493), (483, 42495), (805, 25497), (1035, 19831), (1449, 14165), (2415, 8499), (2833, 7245)]