20709822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2503}}^1$

素因数の和:2712

約数の個数: 32

約数和(自身を含む): 47596032

約数和(自身を除く): 26886210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2503, 2758, 4137, 5006, 7509, 8274, 15018, 17521, 35042, 52563, 105126, 493091, 986182, 1479273, 2958546, 3451637, 6903274, 10354911, 20709822]

約数ペア:

[(1, 20709822), (2, 10354911), (3, 6903274), (6, 3451637), (7, 2958546), (14, 1479273), (21, 986182), (42, 493091), (197, 105126), (394, 52563), (591, 35042), (1182, 17521), (1379, 15018), (2503, 8274), (2758, 7509), (4137, 5006)]