20147781265

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{126473}}^1$

素因数の和:126840

約数の個数: 16

約数和(自身を含む): 24452989056

約数和(自身を除く): 4305207791

約数列:

[1, 5, 151, 211, 755, 1055, 31861, 126473, 159305, 632365, 19097423, 26685803, 95487115, 133429015, 4029556253, 20147781265]

約数ペア:

[(1, 20147781265), (5, 4029556253), (151, 133429015), (211, 95487115), (755, 26685803), (1055, 19097423), (31861, 632365), (126473, 159305)]