20921410

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1873}}^1$

素因数の和:2997

約数の個数: 16

約数和(自身を含む): 37712376

約数和(自身を除く): 16790966

約数列:

[1, 2, 5, 10, 1117, 1873, 2234, 3746, 5585, 9365, 11170, 18730, 2092141, 4184282, 10460705, 20921410]

約数ペア:

[(1, 20921410), (2, 10460705), (5, 4184282), (10, 2092141), (1117, 18730), (1873, 11170), (2234, 9365), (3746, 5585)]