20030754490

素因数分解:

$2^1\times 5^1\times {\mathrm{71261}}^1\times {\mathrm{28109}}^1$

素因数の和:99377

約数の個数: 16

約数和(自身を含む): 36057146760

約数和(自身を除く): 16026392270

約数列:

[1, 2, 5, 10, 28109, 56218, 71261, 140545, 142522, 281090, 356305, 712610, 2003075449, 4006150898, 10015377245, 20030754490]

約数ペア:

[(1, 20030754490), (2, 10015377245), (5, 4006150898), (10, 2003075449), (28109, 712610), (56218, 356305), (71261, 281090), (140545, 142522)]