20820263616

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{612649}}^1$

素因数の和:612726

約数の個数: 84

約数和(自身を含む): 60689109000

約数和(自身を除く): 39868845384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 708, 944, 1062, 1416, 1888, 2124, 2832, 3776, 4248, 5664, 8496, 11328, 16992, 33984, 612649, 1225298, 1837947, 2450596, 3675894, 4901192, 5513841, 7351788, 9802384, 11027682, 14703576, 19604768, 22055364, 29407152, 36146291, 39209536, 44110728, 58814304, 72292582, 88221456, 108438873, 117628608, 144585164, 176442912, 216877746, 289170328, 325316619, 352885824, 433755492, 578340656, 650633238, 867510984, 1156681312, 1301266476, 1735021968, 2313362624, 2602532952, 3470043936, 5205065904, 6940087872, 10410131808, 20820263616]

約数ペア:

[(1, 20820263616), (2, 10410131808), (3, 6940087872), (4, 5205065904), (6, 3470043936), (8, 2602532952), (9, 2313362624), (12, 1735021968), (16, 1301266476), (18, 1156681312), (24, 867510984), (32, 650633238), (36, 578340656), (48, 433755492), (59, 352885824), (64, 325316619), (72, 289170328), (96, 216877746), (118, 176442912), (144, 144585164), (177, 117628608), (192, 108438873), (236, 88221456), (288, 72292582), (354, 58814304), (472, 44110728), (531, 39209536), (576, 36146291), (708, 29407152), (944, 22055364), (1062, 19604768), (1416, 14703576), (1888, 11027682), (2124, 9802384), (2832, 7351788), (3776, 5513841), (4248, 4901192), (5664, 3675894), (8496, 2450596), (11328, 1837947), (16992, 1225298), (33984, 612649)]