20066403728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409987}}^1$

素因数の和:410044

約数の個数: 80

約数和(自身を含む): 48804971520

約数和(自身を除く): 28738567792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 532, 644, 874, 1064, 1288, 1748, 2128, 2576, 3059, 3496, 6118, 6992, 12236, 24472, 48944, 409987, 819974, 1639948, 2869909, 3279896, 5739818, 6559792, 7789753, 9429701, 11479636, 15579506, 18859402, 22959272, 31159012, 37718804, 45918544, 54528271, 62318024, 66007907, 75437608, 109056542, 124636048, 132015814, 150875216, 179164319, 218113084, 264031628, 358328638, 436226168, 528063256, 716657276, 872452336, 1056126512, 1254150233, 1433314552, 2508300466, 2866629104, 5016600932, 10033201864, 20066403728]

約数ペア:

[(1, 20066403728), (2, 10033201864), (4, 5016600932), (7, 2866629104), (8, 2508300466), (14, 1433314552), (16, 1254150233), (19, 1056126512), (23, 872452336), (28, 716657276), (38, 528063256), (46, 436226168), (56, 358328638), (76, 264031628), (92, 218113084), (112, 179164319), (133, 150875216), (152, 132015814), (161, 124636048), (184, 109056542), (266, 75437608), (304, 66007907), (322, 62318024), (368, 54528271), (437, 45918544), (532, 37718804), (644, 31159012), (874, 22959272), (1064, 18859402), (1288, 15579506), (1748, 11479636), (2128, 9429701), (2576, 7789753), (3059, 6559792), (3496, 5739818), (6118, 3279896), (6992, 2869909), (12236, 1639948), (24472, 819974), (48944, 409987)]