20017962

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 46949760

約数和(自身を除く): 26931798

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 86, 111, 129, 222, 233, 258, 333, 387, 466, 666, 699, 774, 999, 1161, 1398, 1591, 1998, 2097, 2322, 3182, 4194, 4773, 6291, 8621, 9546, 10019, 12582, 14319, 17242, 20038, 25863, 28638, 30057, 42957, 51726, 60114, 77589, 85914, 90171, 155178, 180342, 232767, 270513, 370703, 465534, 541026, 741406, 1112109, 2224218, 3336327, 6672654, 10008981, 20017962]

約数ペア:

[(1, 20017962), (2, 10008981), (3, 6672654), (6, 3336327), (9, 2224218), (18, 1112109), (27, 741406), (37, 541026), (43, 465534), (54, 370703), (74, 270513), (86, 232767), (111, 180342), (129, 155178), (222, 90171), (233, 85914), (258, 77589), (333, 60114), (387, 51726), (466, 42957), (666, 30057), (699, 28638), (774, 25863), (999, 20038), (1161, 17242), (1398, 14319), (1591, 12582), (1998, 10019), (2097, 9546), (2322, 8621), (3182, 6291), (4194, 4773)]