20739862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 16161002

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 254, 286, 571, 1142, 1397, 1651, 2794, 3302, 6281, 7423, 12562, 14846, 18161, 36322, 72517, 81653, 145034, 163306, 797687, 942721, 1595374, 1885442, 10369931, 20739862]

約数ペア:

[(1, 20739862), (2, 10369931), (11, 1885442), (13, 1595374), (22, 942721), (26, 797687), (127, 163306), (143, 145034), (254, 81653), (286, 72517), (571, 36322), (1142, 18161), (1397, 14846), (1651, 12562), (2794, 7423), (3302, 6281)]