20638090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{503}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 20077046

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 373, 503, 746, 1006, 1865, 2515, 3730, 4103, 5030, 5533, 8206, 11066, 20515, 27665, 41030, 55330, 187619, 375238, 938095, 1876190, 2063809, 4127618, 10319045, 20638090]

約数ペア:

[(1, 20638090), (2, 10319045), (5, 4127618), (10, 2063809), (11, 1876190), (22, 938095), (55, 375238), (110, 187619), (373, 55330), (503, 41030), (746, 27665), (1006, 20515), (1865, 11066), (2515, 8206), (3730, 5533), (4103, 5030)]