20044310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 43110144

約数和(自身を除く): 23065834

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 131, 143, 214, 262, 286, 535, 655, 715, 1070, 1177, 1310, 1391, 1430, 1441, 1703, 2354, 2782, 2882, 3406, 5885, 6955, 7205, 8515, 11770, 13910, 14017, 14410, 15301, 17030, 18733, 28034, 30602, 37466, 70085, 76505, 93665, 140170, 153010, 154187, 182221, 187330, 308374, 364442, 770935, 911105, 1541870, 1822210, 2004431, 4008862, 10022155, 20044310]

約数ペア:

[(1, 20044310), (2, 10022155), (5, 4008862), (10, 2004431), (11, 1822210), (13, 1541870), (22, 911105), (26, 770935), (55, 364442), (65, 308374), (107, 187330), (110, 182221), (130, 154187), (131, 153010), (143, 140170), (214, 93665), (262, 76505), (286, 70085), (535, 37466), (655, 30602), (715, 28034), (1070, 18733), (1177, 17030), (1310, 15301), (1391, 14410), (1430, 14017), (1441, 13910), (1703, 11770), (2354, 8515), (2782, 7205), (2882, 6955), (3406, 5885)]