20490310

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7561}}^1$

素因数の和:7839

約数の個数: 16

約数和(自身を含む): 37023552

約数和(自身を除く): 16533242

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7561, 15122, 37805, 75610, 2049031, 4098062, 10245155, 20490310]

約数ペア:

[(1, 20490310), (2, 10245155), (5, 4098062), (10, 2049031), (271, 75610), (542, 37805), (1355, 15122), (2710, 7561)]