18696020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133543}}^1$

素因数の和:133559

約数の個数: 24

約数和(自身を含む): 44870784

約数和(自身を除く): 26174764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133543, 267086, 534172, 667715, 934801, 1335430, 1869602, 2670860, 3739204, 4674005, 9348010, 18696020]

約数ペア:

[(1, 18696020), (2, 9348010), (4, 4674005), (5, 3739204), (7, 2670860), (10, 1869602), (14, 1335430), (20, 934801), (28, 667715), (35, 534172), (70, 267086), (140, 133543)]