20774528

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 41794500

約数和(自身を除く): 21019972

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1489, 1744, 2978, 3488, 5956, 6976, 11912, 13952, 23824, 47648, 95296, 162301, 190592, 324602, 649204, 1298408, 2596816, 5193632, 10387264, 20774528]

約数ペア:

[(1, 20774528), (2, 10387264), (4, 5193632), (8, 2596816), (16, 1298408), (32, 649204), (64, 324602), (109, 190592), (128, 162301), (218, 95296), (436, 47648), (872, 23824), (1489, 13952), (1744, 11912), (2978, 6976), (3488, 5956)]