20157782

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 30976992

約数和(自身を除く): 10819210

約数列:

[1, 2, 73, 101, 146, 202, 1367, 2734, 7373, 14746, 99791, 138067, 199582, 276134, 10078891, 20157782]

約数ペア:

[(1, 20157782), (2, 10078891), (73, 276134), (101, 199582), (146, 138067), (202, 99791), (1367, 14746), (2734, 7373)]