20541952

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 40

約数和(自身を含む): 41873436

約数和(自身を除く): 21331484

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 512, 757, 848, 1514, 1696, 3028, 3392, 6056, 6784, 12112, 13568, 24224, 27136, 40121, 48448, 80242, 96896, 160484, 193792, 320968, 387584, 641936, 1283872, 2567744, 5135488, 10270976, 20541952]

約数ペア:

[(1, 20541952), (2, 10270976), (4, 5135488), (8, 2567744), (16, 1283872), (32, 641936), (53, 387584), (64, 320968), (106, 193792), (128, 160484), (212, 96896), (256, 80242), (424, 48448), (512, 40121), (757, 27136), (848, 24224), (1514, 13568), (1696, 12112), (3028, 6784), (3392, 6056)]