20236986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 58245120

約数和(自身を除く): 38008134

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 31, 33, 42, 54, 62, 63, 66, 77, 93, 99, 126, 154, 157, 186, 189, 198, 217, 231, 279, 297, 314, 341, 378, 434, 462, 471, 558, 594, 651, 682, 693, 837, 942, 1023, 1099, 1302, 1386, 1413, 1674, 1727, 1953, 2046, 2079, 2198, 2387, 2826, 3069, 3297, 3454, 3906, 4158, 4239, 4774, 4867, 5181, 5859, 6138, 6594, 7161, 8478, 9207, 9734, 9891, 10362, 11718, 12089, 14322, 14601, 15543, 18414, 19782, 21483, 24178, 29202, 29673, 31086, 34069, 36267, 42966, 43803, 46629, 53537, 59346, 64449, 68138, 72534, 87606, 93258, 102207, 107074, 108801, 128898, 131409, 160611, 204414, 217602, 262818, 306621, 321222, 326403, 374759, 481833, 613242, 652806, 749518, 919863, 963666, 1124277, 1445499, 1839726, 2248554, 2890998, 3372831, 6745662, 10118493, 20236986]

約数ペア:

[(1, 20236986), (2, 10118493), (3, 6745662), (6, 3372831), (7, 2890998), (9, 2248554), (11, 1839726), (14, 1445499), (18, 1124277), (21, 963666), (22, 919863), (27, 749518), (31, 652806), (33, 613242), (42, 481833), (54, 374759), (62, 326403), (63, 321222), (66, 306621), (77, 262818), (93, 217602), (99, 204414), (126, 160611), (154, 131409), (157, 128898), (186, 108801), (189, 107074), (198, 102207), (217, 93258), (231, 87606), (279, 72534), (297, 68138), (314, 64449), (341, 59346), (378, 53537), (434, 46629), (462, 43803), (471, 42966), (558, 36267), (594, 34069), (651, 31086), (682, 29673), (693, 29202), (837, 24178), (942, 21483), (1023, 19782), (1099, 18414), (1302, 15543), (1386, 14601), (1413, 14322), (1674, 12089), (1727, 11718), (1953, 10362), (2046, 9891), (2079, 9734), (2198, 9207), (2387, 8478), (2826, 7161), (3069, 6594), (3297, 6138), (3454, 5859), (3906, 5181), (4158, 4867), (4239, 4774)]