20868512

素因数分解:

$2^5\times 7^2\times {\mathrm{13309}}^1$

素因数の和:13333

約数の個数: 36

約数和(自身を含む): 47796210

約数和(自身を除く): 26927698

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13309, 26618, 53236, 93163, 106472, 186326, 212944, 372652, 425888, 652141, 745304, 1304282, 1490608, 2608564, 2981216, 5217128, 10434256, 20868512]

約数ペア:

[(1, 20868512), (2, 10434256), (4, 5217128), (7, 2981216), (8, 2608564), (14, 1490608), (16, 1304282), (28, 745304), (32, 652141), (49, 425888), (56, 372652), (98, 212944), (112, 186326), (196, 106472), (224, 93163), (392, 53236), (784, 26618), (1568, 13309)]