20104164

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3557}}^1$

素因数の和:3724

約数の個数: 36

約数和(自身を含む): 51156924

約数和(自身を除く): 31052760

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3557, 5652, 7114, 10671, 14228, 21342, 32013, 42684, 64026, 128052, 558449, 1116898, 1675347, 2233796, 3350694, 5026041, 6701388, 10052082, 20104164]

約数ペア:

[(1, 20104164), (2, 10052082), (3, 6701388), (4, 5026041), (6, 3350694), (9, 2233796), (12, 1675347), (18, 1116898), (36, 558449), (157, 128052), (314, 64026), (471, 42684), (628, 32013), (942, 21342), (1413, 14228), (1884, 10671), (2826, 7114), (3557, 5652)]