20797929904

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7513703}}^1$

素因数の和:7513884

約数の個数: 20

約数和(自身を含む): 40528919376

約数和(自身を除く): 19730989472

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7513703, 15027406, 30054812, 60109624, 120219248, 1299870619, 2599741238, 5199482476, 10398964952, 20797929904]

約数ペア:

[(1, 20797929904), (2, 10398964952), (4, 5199482476), (8, 2599741238), (16, 1299870619), (173, 120219248), (346, 60109624), (692, 30054812), (1384, 15027406), (2768, 7513703)]