20181281728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10172017}}^1$

素因数の和:10172060

約数の個数: 28

約数和(自身を含む): 41339081152

約数和(自身を除く): 21157799424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10172017, 20344034, 40688068, 81376136, 162752272, 315332527, 325504544, 630665054, 651009088, 1261330108, 2522660216, 5045320432, 10090640864, 20181281728]

約数ペア:

[(1, 20181281728), (2, 10090640864), (4, 5045320432), (8, 2522660216), (16, 1261330108), (31, 651009088), (32, 630665054), (62, 325504544), (64, 315332527), (124, 162752272), (248, 81376136), (496, 40688068), (992, 20344034), (1984, 10172017)]