20162868128

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{24691}}^1$

素因数の和:24878

約数の個数: 72

約数和(自身を含む): 43270458336

約数和(自身を除く): 23107590208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 151, 169, 208, 302, 338, 416, 604, 676, 1208, 1352, 1963, 2416, 2704, 3926, 4832, 5408, 7852, 15704, 24691, 25519, 31408, 49382, 51038, 62816, 98764, 102076, 197528, 204152, 320983, 395056, 408304, 641966, 790112, 816608, 1283932, 2567864, 3728341, 4172779, 5135728, 7456682, 8345558, 10271456, 14913364, 16691116, 29826728, 33382232, 48468433, 59653456, 66764464, 96936866, 119306912, 133528928, 193873732, 387747464, 630089629, 775494928, 1260179258, 1550989856, 2520358516, 5040717032, 10081434064, 20162868128]

約数ペア:

[(1, 20162868128), (2, 10081434064), (4, 5040717032), (8, 2520358516), (13, 1550989856), (16, 1260179258), (26, 775494928), (32, 630089629), (52, 387747464), (104, 193873732), (151, 133528928), (169, 119306912), (208, 96936866), (302, 66764464), (338, 59653456), (416, 48468433), (604, 33382232), (676, 29826728), (1208, 16691116), (1352, 14913364), (1963, 10271456), (2416, 8345558), (2704, 7456682), (3926, 5135728), (4832, 4172779), (5408, 3728341), (7852, 2567864), (15704, 1283932), (24691, 816608), (25519, 790112), (31408, 641966), (49382, 408304), (51038, 395056), (62816, 320983), (98764, 204152), (102076, 197528)]