27738820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8017}}^1$

素因数の和:8199

約数の個数: 24

約数和(自身を含む): 58595544

約数和(自身を除く): 30856724

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 8017, 16034, 32068, 40085, 80170, 160340, 1386941, 2773882, 5547764, 6934705, 13869410, 27738820]

約数ペア:

[(1, 27738820), (2, 13869410), (4, 6934705), (5, 5547764), (10, 2773882), (20, 1386941), (173, 160340), (346, 80170), (692, 40085), (865, 32068), (1730, 16034), (3460, 8017)]