20120141884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{109987}}^1$

素因数の和:110122

約数の個数: 48

約数和(自身を含む): 38803766400

約数和(自身を除く): 18683624516

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 83, 116, 166, 332, 551, 1102, 1577, 2204, 2407, 3154, 4814, 6308, 9628, 45733, 91466, 109987, 182932, 219974, 439948, 2089753, 3189623, 4179506, 6379246, 8359012, 9128921, 12758492, 18257842, 36515684, 60602837, 121205674, 173449499, 242411348, 264738709, 346898998, 529477418, 693797996, 1058954836, 5030035471, 10060070942, 20120141884]

約数ペア:

[(1, 20120141884), (2, 10060070942), (4, 5030035471), (19, 1058954836), (29, 693797996), (38, 529477418), (58, 346898998), (76, 264738709), (83, 242411348), (116, 173449499), (166, 121205674), (332, 60602837), (551, 36515684), (1102, 18257842), (1577, 12758492), (2204, 9128921), (2407, 8359012), (3154, 6379246), (4814, 4179506), (6308, 3189623), (9628, 2089753), (45733, 439948), (91466, 219974), (109987, 182932)]