20736690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53171}}^1$

素因数の和:53194

約数の個数: 32

約数和(自身を含む): 53597376

約数和(自身を除く): 32860686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53171, 106342, 159513, 265855, 319026, 531710, 691223, 797565, 1382446, 1595130, 2073669, 3456115, 4147338, 6912230, 10368345, 20736690]

約数ペア:

[(1, 20736690), (2, 10368345), (3, 6912230), (5, 4147338), (6, 3456115), (10, 2073669), (13, 1595130), (15, 1382446), (26, 797565), (30, 691223), (39, 531710), (65, 319026), (78, 265855), (130, 159513), (195, 106342), (390, 53171)]