20854624

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 47301408

約数和(自身を除く): 26446784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 593, 628, 1099, 1186, 1256, 2198, 2372, 2512, 4151, 4396, 4744, 5024, 8302, 8792, 9488, 16604, 17584, 18976, 33208, 35168, 66416, 93101, 132832, 186202, 372404, 651707, 744808, 1303414, 1489616, 2606828, 2979232, 5213656, 10427312, 20854624]

約数ペア:

[(1, 20854624), (2, 10427312), (4, 5213656), (7, 2979232), (8, 2606828), (14, 1489616), (16, 1303414), (28, 744808), (32, 651707), (56, 372404), (112, 186202), (157, 132832), (224, 93101), (314, 66416), (593, 35168), (628, 33208), (1099, 18976), (1186, 17584), (1256, 16604), (2198, 9488), (2372, 8792), (2512, 8302), (4151, 5024), (4396, 4744)]