20944833

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4513}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 36400896

約数和(自身を除く): 15456063

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4513, 4641, 13539, 31591, 58669, 76721, 94773, 176007, 230163, 410683, 537047, 997373, 1232049, 1611141, 2992119, 6981611, 20944833]

約数ペア:

[(1, 20944833), (3, 6981611), (7, 2992119), (13, 1611141), (17, 1232049), (21, 997373), (39, 537047), (51, 410683), (91, 230163), (119, 176007), (221, 94773), (273, 76721), (357, 58669), (663, 31591), (1547, 13539), (4513, 4641)]