20202868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42443}}^1$

素因数の和:42471

約数の個数: 24

約数和(自身を含む): 42783552

約数和(自身を除く): 22580684

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42443, 84886, 169772, 297101, 594202, 721531, 1188404, 1443062, 2886124, 5050717, 10101434, 20202868]

約数ペア:

[(1, 20202868), (2, 10101434), (4, 5050717), (7, 2886124), (14, 1443062), (17, 1188404), (28, 721531), (34, 594202), (68, 297101), (119, 169772), (238, 84886), (476, 42443)]