20690816

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1483}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 41626200

約数和(自身を除く): 20935384

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1483, 1744, 2966, 3488, 5932, 6976, 11864, 13952, 23728, 47456, 94912, 161647, 189824, 323294, 646588, 1293176, 2586352, 5172704, 10345408, 20690816]

約数ペア:

[(1, 20690816), (2, 10345408), (4, 5172704), (8, 2586352), (16, 1293176), (32, 646588), (64, 323294), (109, 189824), (128, 161647), (218, 94912), (436, 47456), (872, 23728), (1483, 13952), (1744, 11864), (2966, 6976), (3488, 5932)]