20905614

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7591}}^1$

素因数の和:7622

約数の個数: 40

約数和(自身を含む): 49606128

約数和(自身を除く): 28700514

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7591, 15182, 22773, 45546, 68319, 129047, 136638, 204957, 258094, 387141, 409914, 614871, 774282, 1161423, 1229742, 2322846, 3484269, 6968538, 10452807, 20905614]

約数ペア:

[(1, 20905614), (2, 10452807), (3, 6968538), (6, 3484269), (9, 2322846), (17, 1229742), (18, 1161423), (27, 774282), (34, 614871), (51, 409914), (54, 387141), (81, 258094), (102, 204957), (153, 136638), (162, 129047), (306, 68319), (459, 45546), (918, 22773), (1377, 15182), (2754, 7591)]