20196181808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{825547}}^1$

素因数の和:825705

約数の個数: 40

約数和(自身を含む): 42994539840

約数和(自身を除く): 22798358032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1529, 2224, 3058, 6116, 12232, 24464, 825547, 1651094, 3302188, 6604376, 9081017, 13208752, 18162034, 36324068, 72648136, 114751033, 145296272, 229502066, 459004132, 918008264, 1262261363, 1836016528, 2524522726, 5049045452, 10098090904, 20196181808]

約数ペア:

[(1, 20196181808), (2, 10098090904), (4, 5049045452), (8, 2524522726), (11, 1836016528), (16, 1262261363), (22, 918008264), (44, 459004132), (88, 229502066), (139, 145296272), (176, 114751033), (278, 72648136), (556, 36324068), (1112, 18162034), (1529, 13208752), (2224, 9081017), (3058, 6604376), (6116, 3302188), (12232, 1651094), (24464, 825547)]