20194972

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2179}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 40530560

約数和(自身を除く): 20335588

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2179, 2317, 4358, 4634, 8716, 9268, 15253, 30506, 61012, 721249, 1442498, 2884996, 5048743, 10097486, 20194972]

約数ペア:

[(1, 20194972), (2, 10097486), (4, 5048743), (7, 2884996), (14, 1442498), (28, 721249), (331, 61012), (662, 30506), (1324, 15253), (2179, 9268), (2317, 8716), (4358, 4634)]