20145730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 39745728

約数和(自身を除く): 19599998

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 373, 491, 746, 982, 1865, 2455, 3730, 4103, 4910, 5401, 8206, 10802, 20515, 27005, 41030, 54010, 183143, 366286, 915715, 1831430, 2014573, 4029146, 10072865, 20145730]

約数ペア:

[(1, 20145730), (2, 10072865), (5, 4029146), (10, 2014573), (11, 1831430), (22, 915715), (55, 366286), (110, 183143), (373, 54010), (491, 41030), (746, 27005), (982, 20515), (1865, 10802), (2455, 8206), (3730, 5401), (4103, 4910)]