20729552

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7489}}^1$

素因数の和:7670

約数の個数: 20

約数和(自身を含む): 40401060

約数和(自身を除く): 19671508

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7489, 14978, 29956, 59912, 119824, 1295597, 2591194, 5182388, 10364776, 20729552]

約数ペア:

[(1, 20729552), (2, 10364776), (4, 5182388), (8, 2591194), (16, 1295597), (173, 119824), (346, 59912), (692, 29956), (1384, 14978), (2768, 7489)]