20813970216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{5011}}^1\times {\mathrm{13313}}^1$

素因数の和:18346

約数の個数: 64

約数和(自身を含む): 56053005120

約数和(自身を除く): 35239034904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 5011, 10022, 13313, 15033, 20044, 26626, 30066, 39939, 40088, 53252, 60132, 65143, 79878, 106504, 120264, 130286, 159756, 173069, 195429, 260572, 319512, 346138, 390858, 519207, 521144, 692276, 781716, 1038414, 1384552, 1563432, 2076828, 4153656, 66711443, 133422886, 200134329, 266845772, 400268658, 533691544, 800537316, 867248759, 1601074632, 1734497518, 2601746277, 3468995036, 5203492554, 6937990072, 10406985108, 20813970216]

約数ペア:

[(1, 20813970216), (2, 10406985108), (3, 6937990072), (4, 5203492554), (6, 3468995036), (8, 2601746277), (12, 1734497518), (13, 1601074632), (24, 867248759), (26, 800537316), (39, 533691544), (52, 400268658), (78, 266845772), (104, 200134329), (156, 133422886), (312, 66711443), (5011, 4153656), (10022, 2076828), (13313, 1563432), (15033, 1384552), (20044, 1038414), (26626, 781716), (30066, 692276), (39939, 521144), (40088, 519207), (53252, 390858), (60132, 346138), (65143, 319512), (79878, 260572), (106504, 195429), (120264, 173069), (130286, 159756)]