20808630836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{38113}}^1$

素因数の和:38209

約数の個数: 96

約数和(自身を含む): 46717396992

約数和(自身を除く): 25908766156

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 37, 62, 68, 74, 119, 124, 148, 217, 238, 259, 434, 476, 518, 527, 629, 868, 1036, 1054, 1147, 1258, 2108, 2294, 2516, 3689, 4403, 4588, 7378, 8029, 8806, 14756, 16058, 17612, 19499, 32116, 38113, 38998, 76226, 77996, 136493, 152452, 266791, 272986, 533582, 545972, 647921, 1067164, 1181503, 1295842, 1410181, 2363006, 2591684, 2820362, 4535447, 4726012, 5640724, 8270521, 9070894, 9871267, 16541042, 18141788, 19742534, 20085551, 23973077, 33082084, 39485068, 40171102, 43715611, 47946154, 80342204, 87431222, 95892308, 140598857, 167811539, 174862444, 281197714, 306009277, 335623078, 562395428, 612018554, 671246156, 743165387, 1224037108, 1486330774, 2972661548, 5202157709, 10404315418, 20808630836]

約数ペア:

[(1, 20808630836), (2, 10404315418), (4, 5202157709), (7, 2972661548), (14, 1486330774), (17, 1224037108), (28, 743165387), (31, 671246156), (34, 612018554), (37, 562395428), (62, 335623078), (68, 306009277), (74, 281197714), (119, 174862444), (124, 167811539), (148, 140598857), (217, 95892308), (238, 87431222), (259, 80342204), (434, 47946154), (476, 43715611), (518, 40171102), (527, 39485068), (629, 33082084), (868, 23973077), (1036, 20085551), (1054, 19742534), (1147, 18141788), (1258, 16541042), (2108, 9871267), (2294, 9070894), (2516, 8270521), (3689, 5640724), (4403, 4726012), (4588, 4535447), (7378, 2820362), (8029, 2591684), (8806, 2363006), (14756, 1410181), (16058, 1295842), (17612, 1181503), (19499, 1067164), (32116, 647921), (38113, 545972), (38998, 533582), (76226, 272986), (77996, 266791), (136493, 152452)]