20512551645621

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1\times {\mathrm{584099}}^1$

素因数の和:584616

約数の個数: 80

約数和(自身を含む): 35301863836800

約数和(自身を除く): 14789312191179

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 257, 567, 723, 771, 1687, 1799, 2169, 2313, 5061, 5397, 6507, 6939, 15183, 16191, 19521, 20817, 45549, 48573, 61937, 136647, 145719, 185811, 433559, 557433, 584099, 1300677, 1672299, 1752297, 3902031, 4088693, 5016897, 5256891, 11706093, 12266079, 15770673, 35118279, 36798237, 47312019, 110394711, 140767859, 150113443, 331184133, 422303577, 450340329, 985375013, 1050794101, 1266910731, 1351020987, 2956125039, 3152382303, 3800732193, 4053062961, 8868375117, 9457146909, 11402196579, 12159188883, 26605125351, 28371440727, 36177339763, 79815376053, 85114322181, 108532019289, 253241378341, 325596057867, 759724135023, 976788173601, 2279172405069, 2930364520803, 6837517215207, 20512551645621]

約数ペア:

[(1, 20512551645621), (3, 6837517215207), (7, 2930364520803), (9, 2279172405069), (21, 976788173601), (27, 759724135023), (63, 325596057867), (81, 253241378341), (189, 108532019289), (241, 85114322181), (257, 79815376053), (567, 36177339763), (723, 28371440727), (771, 26605125351), (1687, 12159188883), (1799, 11402196579), (2169, 9457146909), (2313, 8868375117), (5061, 4053062961), (5397, 3800732193), (6507, 3152382303), (6939, 2956125039), (15183, 1351020987), (16191, 1266910731), (19521, 1050794101), (20817, 985375013), (45549, 450340329), (48573, 422303577), (61937, 331184133), (136647, 150113443), (145719, 140767859), (185811, 110394711), (433559, 47312019), (557433, 36798237), (584099, 35118279), (1300677, 15770673), (1672299, 12266079), (1752297, 11706093), (3902031, 5256891), (4088693, 5016897)]