20131087865

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1\times {\mathrm{12437}}^1$

素因数の和:13001

約数の個数: 32

約数和(自身を含む): 27940723200

約数和(自身を除く): 7809635335

約数列:

[1, 5, 7, 35, 103, 449, 515, 721, 2245, 3143, 3605, 12437, 15715, 46247, 62185, 87059, 231235, 323729, 435295, 1281011, 1618645, 5584213, 6405055, 8967077, 27921065, 39089491, 44835385, 195447455, 575173939, 2875869695, 4026217573, 20131087865]

約数ペア:

[(1, 20131087865), (5, 4026217573), (7, 2875869695), (35, 575173939), (103, 195447455), (449, 44835385), (515, 39089491), (721, 27921065), (2245, 8967077), (3143, 6405055), (3605, 5584213), (12437, 1618645), (15715, 1281011), (46247, 435295), (62185, 323729), (87059, 231235)]