20840763

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{569}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 28864800

約数和(自身を除く): 8024037

約数列:

[1, 3, 29, 87, 421, 569, 1263, 1707, 12209, 16501, 36627, 49503, 239549, 718647, 6946921, 20840763]

約数ペア:

[(1, 20840763), (3, 6946921), (29, 718647), (87, 239549), (421, 49503), (569, 36627), (1263, 16501), (1707, 12209)]