20355995880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5140403}}^1$

素因数の和:5140431

約数の個数: 96

約数和(自身を含む): 72171272160

約数和(自身を除く): 51815276280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5140403, 10280806, 15421209, 20561612, 25702015, 30842418, 41123224, 46263627, 51404030, 56544433, 61684836, 77106045, 92527254, 102808060, 113088866, 123369672, 154212090, 169633299, 185054508, 205616120, 226177732, 231318135, 282722165, 308424180, 339266598, 370109016, 452355464, 462636270, 508899897, 565444330, 616848360, 678533196, 848166495, 925272540, 1017799794, 1130888660, 1357066392, 1696332990, 1850545080, 2035599588, 2261777320, 2544499485, 3392665980, 4071199176, 5088998970, 6785331960, 10177997940, 20355995880]

約数ペア:

[(1, 20355995880), (2, 10177997940), (3, 6785331960), (4, 5088998970), (5, 4071199176), (6, 3392665980), (8, 2544499485), (9, 2261777320), (10, 2035599588), (11, 1850545080), (12, 1696332990), (15, 1357066392), (18, 1130888660), (20, 1017799794), (22, 925272540), (24, 848166495), (30, 678533196), (33, 616848360), (36, 565444330), (40, 508899897), (44, 462636270), (45, 452355464), (55, 370109016), (60, 339266598), (66, 308424180), (72, 282722165), (88, 231318135), (90, 226177732), (99, 205616120), (110, 185054508), (120, 169633299), (132, 154212090), (165, 123369672), (180, 113088866), (198, 102808060), (220, 92527254), (264, 77106045), (330, 61684836), (360, 56544433), (396, 51404030), (440, 46263627), (495, 41123224), (660, 30842418), (792, 25702015), (990, 20561612), (1320, 15421209), (1980, 10280806), (3960, 5140403)]