20909502

素因数分解:

$2^1\times 3^4\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:734

約数の個数: 40

約数和(自身を含む): 47114496

約数和(自身を除く): 26204994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 337, 383, 674, 766, 1011, 1149, 2022, 2298, 3033, 3447, 6066, 6894, 9099, 10341, 18198, 20682, 27297, 31023, 54594, 62046, 129071, 258142, 387213, 774426, 1161639, 2323278, 3484917, 6969834, 10454751, 20909502]

約数ペア:

[(1, 20909502), (2, 10454751), (3, 6969834), (6, 3484917), (9, 2323278), (18, 1161639), (27, 774426), (54, 387213), (81, 258142), (162, 129071), (337, 62046), (383, 54594), (674, 31023), (766, 27297), (1011, 20682), (1149, 18198), (2022, 10341), (2298, 9099), (3033, 6894), (3447, 6066)]