20213754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26442246

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 59, 66, 87, 118, 174, 177, 179, 319, 354, 358, 537, 638, 649, 957, 1074, 1298, 1711, 1914, 1947, 1969, 3422, 3894, 3938, 5133, 5191, 5907, 10266, 10382, 10561, 11814, 15573, 18821, 21122, 31146, 31683, 37642, 56463, 57101, 63366, 112926, 114202, 116171, 171303, 232342, 306269, 342606, 348513, 612538, 697026, 918807, 1837614, 3368959, 6737918, 10106877, 20213754]

約数ペア:

[(1, 20213754), (2, 10106877), (3, 6737918), (6, 3368959), (11, 1837614), (22, 918807), (29, 697026), (33, 612538), (58, 348513), (59, 342606), (66, 306269), (87, 232342), (118, 171303), (174, 116171), (177, 114202), (179, 112926), (319, 63366), (354, 57101), (358, 56463), (537, 37642), (638, 31683), (649, 31146), (957, 21122), (1074, 18821), (1298, 15573), (1711, 11814), (1914, 10561), (1947, 10382), (1969, 10266), (3422, 5907), (3894, 5191), (3938, 5133)]