20283904

素因数分解:

$2^9\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 40

約数和(自身を含む): 40940460

約数和(自身を除く): 20656556

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 229, 256, 346, 458, 512, 692, 916, 1384, 1832, 2768, 3664, 5536, 7328, 11072, 14656, 22144, 29312, 39617, 44288, 58624, 79234, 88576, 117248, 158468, 316936, 633872, 1267744, 2535488, 5070976, 10141952, 20283904]

約数ペア:

[(1, 20283904), (2, 10141952), (4, 5070976), (8, 2535488), (16, 1267744), (32, 633872), (64, 316936), (128, 158468), (173, 117248), (229, 88576), (256, 79234), (346, 58624), (458, 44288), (512, 39617), (692, 29312), (916, 22144), (1384, 14656), (1832, 11072), (2768, 7328), (3664, 5536)]