20137649998

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{223211}}^1$

素因数の和:223863

約数の個数: 16

約数和(自身を含む): 30642543360

約数和(自身を除く): 10504893362

約数列:

[1, 2, 79, 158, 571, 1142, 45109, 90218, 223211, 446422, 17633669, 35267338, 127453481, 254906962, 10068824999, 20137649998]

約数ペア:

[(1, 20137649998), (2, 10068824999), (79, 254906962), (158, 127453481), (571, 35267338), (1142, 17633669), (45109, 446422), (90218, 223211)]