20278399527

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1\times {\mathrm{1861}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 31266406080

約数和(自身を除く): 10988006553

約数列:

[1, 3, 9, 17, 51, 153, 229, 311, 687, 933, 1861, 2061, 2799, 3893, 5287, 5583, 11679, 15861, 16749, 31637, 35037, 47583, 71219, 94911, 213657, 284733, 426169, 578771, 640971, 1210723, 1278507, 1736313, 3632169, 3835521, 5208939, 7244873, 9839107, 10896507, 21734619, 29517321, 65203857, 88551963, 132538559, 397615677, 1192847031, 2253155503, 6759466509, 20278399527]

約数ペア:

[(1, 20278399527), (3, 6759466509), (9, 2253155503), (17, 1192847031), (51, 397615677), (153, 132538559), (229, 88551963), (311, 65203857), (687, 29517321), (933, 21734619), (1861, 10896507), (2061, 9839107), (2799, 7244873), (3893, 5208939), (5287, 3835521), (5583, 3632169), (11679, 1736313), (15861, 1278507), (16749, 1210723), (31637, 640971), (35037, 578771), (47583, 426169), (71219, 284733), (94911, 213657)]