20856779426

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{12503}}^1$

素因数の和:12735

約数の個数: 64

約数和(自身を含む): 38978869248

約数和(自身を除く): 18122089822

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 163, 238, 301, 326, 602, 731, 1141, 1462, 2282, 2771, 5117, 5542, 7009, 10234, 12503, 14018, 19397, 25006, 38794, 49063, 87521, 98126, 119153, 175042, 212551, 238306, 425102, 537629, 834071, 1075258, 1487857, 1668142, 2037989, 2975714, 3763403, 4075978, 7526806, 9139693, 14265923, 18279386, 28531846, 34645813, 63977851, 69291626, 87633527, 127955702, 175267054, 242520691, 485041382, 613434689, 1226869378, 1489769959, 2979539918, 10428389713, 20856779426]

約数ペア:

[(1, 20856779426), (2, 10428389713), (7, 2979539918), (14, 1489769959), (17, 1226869378), (34, 613434689), (43, 485041382), (86, 242520691), (119, 175267054), (163, 127955702), (238, 87633527), (301, 69291626), (326, 63977851), (602, 34645813), (731, 28531846), (1141, 18279386), (1462, 14265923), (2282, 9139693), (2771, 7526806), (5117, 4075978), (5542, 3763403), (7009, 2975714), (10234, 2037989), (12503, 1668142), (14018, 1487857), (19397, 1075258), (25006, 834071), (38794, 537629), (49063, 425102), (87521, 238306), (98126, 212551), (119153, 175042)]