20161749020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144012493}}^1$

素因数の和:144012509

約数の個数: 24

約数和(自身を含む): 48388197984

約数和(自身を除く): 28226448964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144012493, 288024986, 576049972, 720062465, 1008087451, 1440124930, 2016174902, 2880249860, 4032349804, 5040437255, 10080874510, 20161749020]

約数ペア:

[(1, 20161749020), (2, 10080874510), (4, 5040437255), (5, 4032349804), (7, 2880249860), (10, 2016174902), (14, 1440124930), (20, 1008087451), (28, 720062465), (35, 576049972), (70, 288024986), (140, 144012493)]