20266496

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 40

約数和(自身を含む): 42278544

約数和(自身を除く): 22012048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1721, 2944, 3442, 5888, 6884, 11776, 13768, 27536, 39583, 55072, 79166, 110144, 158332, 220288, 316664, 440576, 633328, 881152, 1266656, 2533312, 5066624, 10133248, 20266496]

約数ペア:

[(1, 20266496), (2, 10133248), (4, 5066624), (8, 2533312), (16, 1266656), (23, 881152), (32, 633328), (46, 440576), (64, 316664), (92, 220288), (128, 158332), (184, 110144), (256, 79166), (368, 55072), (512, 39583), (736, 27536), (1472, 13768), (1721, 11776), (2944, 6884), (3442, 5888)]