20159462876

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1\times {\mathrm{20123}}^1$

素因数の和:21138

約数の個数: 48

約数和(自身を含む): 41453508096

約数和(自身を除く): 21294045220

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 967, 1036, 1934, 3868, 6769, 13538, 20123, 27076, 35779, 40246, 71558, 80492, 140861, 143116, 250453, 281722, 500906, 563444, 744551, 1001812, 1489102, 2978204, 5211857, 10423714, 19458941, 20847428, 38917882, 77835764, 136212587, 272425174, 544850348, 719980817, 1439961634, 2879923268, 5039865719, 10079731438, 20159462876]

約数ペア:

[(1, 20159462876), (2, 10079731438), (4, 5039865719), (7, 2879923268), (14, 1439961634), (28, 719980817), (37, 544850348), (74, 272425174), (148, 136212587), (259, 77835764), (518, 38917882), (967, 20847428), (1036, 19458941), (1934, 10423714), (3868, 5211857), (6769, 2978204), (13538, 1489102), (20123, 1001812), (27076, 744551), (35779, 563444), (40246, 500906), (71558, 281722), (80492, 250453), (140861, 143116)]