20568051

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17183}}^1$

素因数の和:17215

約数の個数: 24

約数和(自身を含む): 35742720

約数和(自身を除く): 15174669

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17183, 51549, 120281, 154647, 326477, 360843, 979431, 1082529, 2285339, 2938293, 6856017, 20568051]

約数ペア:

[(1, 20568051), (3, 6856017), (7, 2938293), (9, 2285339), (19, 1082529), (21, 979431), (57, 360843), (63, 326477), (133, 154647), (171, 120281), (399, 51549), (1197, 17183)]