20537226

素因数分解:

$2^1\times 3^4\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:728

約数の個数: 40

約数和(自身を含む): 46278144

約数和(自身を除く): 25740918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 331, 383, 662, 766, 993, 1149, 1986, 2298, 2979, 3447, 5958, 6894, 8937, 10341, 17874, 20682, 26811, 31023, 53622, 62046, 126773, 253546, 380319, 760638, 1140957, 2281914, 3422871, 6845742, 10268613, 20537226]

約数ペア:

[(1, 20537226), (2, 10268613), (3, 6845742), (6, 3422871), (9, 2281914), (18, 1140957), (27, 760638), (54, 380319), (81, 253546), (162, 126773), (331, 62046), (383, 53622), (662, 31023), (766, 26811), (993, 20682), (1149, 17874), (1986, 10341), (2298, 8937), (2979, 6894), (3447, 5958)]