20542995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 39716352

約数和(自身を除く): 19173357

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 47, 55, 99, 141, 165, 235, 423, 495, 517, 705, 883, 1551, 2115, 2585, 2649, 4415, 4653, 7755, 7947, 9713, 13245, 23265, 29139, 39735, 41501, 48565, 87417, 124503, 145695, 207505, 373509, 437085, 456511, 622515, 1369533, 1867545, 2282555, 4108599, 6847665, 20542995]

約数ペア:

[(1, 20542995), (3, 6847665), (5, 4108599), (9, 2282555), (11, 1867545), (15, 1369533), (33, 622515), (45, 456511), (47, 437085), (55, 373509), (99, 207505), (141, 145695), (165, 124503), (235, 87417), (423, 48565), (495, 41501), (517, 39735), (705, 29139), (883, 23265), (1551, 13245), (2115, 9713), (2585, 7947), (2649, 7755), (4415, 4653)]