20197930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 37866240

約数和(自身を除く): 17668310

約数列:

[1, 2, 5, 10, 37, 74, 79, 158, 185, 370, 395, 691, 790, 1382, 2923, 3455, 5846, 6910, 14615, 25567, 29230, 51134, 54589, 109178, 127835, 255670, 272945, 545890, 2019793, 4039586, 10098965, 20197930]

約数ペア:

[(1, 20197930), (2, 10098965), (5, 4039586), (10, 2019793), (37, 545890), (74, 272945), (79, 255670), (158, 127835), (185, 109178), (370, 54589), (395, 51134), (691, 29230), (790, 25567), (1382, 14615), (2923, 6910), (3455, 5846)]