20565843980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93481109}}^1$

素因数の和:93481129

約数の個数: 24

約数和(自身を含む): 47114479440

約数和(自身を除く): 26548635460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93481109, 186962218, 373924436, 467405545, 934811090, 1028292199, 1869622180, 2056584398, 4113168796, 5141460995, 10282921990, 20565843980]

約数ペア:

[(1, 20565843980), (2, 10282921990), (4, 5141460995), (5, 4113168796), (10, 2056584398), (11, 1869622180), (20, 1028292199), (22, 934811090), (44, 467405545), (55, 373924436), (110, 186962218), (220, 93481109)]