20155208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 39624960

約数和(自身を除く): 19469752

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 536, 1213, 2077, 2426, 4154, 4852, 8308, 9704, 16616, 37603, 75206, 81271, 150412, 162542, 300824, 325084, 650168, 2519401, 5038802, 10077604, 20155208]

約数ペア:

[(1, 20155208), (2, 10077604), (4, 5038802), (8, 2519401), (31, 650168), (62, 325084), (67, 300824), (124, 162542), (134, 150412), (248, 81271), (268, 75206), (536, 37603), (1213, 16616), (2077, 9704), (2426, 8308), (4154, 4852)]