20177575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 27498240

約数和(自身を除く): 7320665

約数列:

[1, 5, 11, 25, 55, 239, 275, 307, 1195, 1535, 2629, 3377, 5975, 7675, 13145, 16885, 65725, 73373, 84425, 366865, 807103, 1834325, 4035515, 20177575]

約数ペア:

[(1, 20177575), (5, 4035515), (11, 1834325), (25, 807103), (55, 366865), (239, 84425), (275, 73373), (307, 65725), (1195, 16885), (1535, 13145), (2629, 7675), (3377, 5975)]