20502230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1693}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 42444864

約数和(自身を除く): 21942634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1693, 1730, 2422, 3386, 6055, 8465, 11851, 12110, 16930, 23702, 59255, 118510, 292889, 585778, 1464445, 2050223, 2928890, 4100446, 10251115, 20502230]

約数ペア:

[(1, 20502230), (2, 10251115), (5, 4100446), (7, 2928890), (10, 2050223), (14, 1464445), (35, 585778), (70, 292889), (173, 118510), (346, 59255), (865, 23702), (1211, 16930), (1693, 12110), (1730, 11851), (2422, 8465), (3386, 6055)]