20687535209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{1297}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 23315402880

約数和(自身を除く): 2627867671

約数列:

[1, 11, 53, 109, 251, 583, 1199, 1297, 2761, 5777, 13303, 14267, 27359, 63547, 68741, 141373, 146333, 300949, 325547, 756151, 1450027, 1555103, 3581017, 7492769, 15950297, 17253991, 35484623, 82420459, 189793901, 390330853, 1880685019, 20687535209]

約数ペア:

[(1, 20687535209), (11, 1880685019), (53, 390330853), (109, 189793901), (251, 82420459), (583, 35484623), (1199, 17253991), (1297, 15950297), (2761, 7492769), (5777, 3581017), (13303, 1555103), (14267, 1450027), (27359, 756151), (63547, 325547), (68741, 300949), (141373, 146333)]