20465536

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 51279480

約数和(自身を除く): 30813944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 251, 364, 392, 416, 448, 502, 637, 728, 784, 832, 896, 1004, 1274, 1456, 1568, 1664, 1757, 2008, 2548, 2912, 3136, 3263, 3514, 4016, 5096, 5824, 6272, 6526, 7028, 8032, 10192, 11648, 12299, 13052, 14056, 16064, 20384, 22841, 24598, 26104, 28112, 32128, 40768, 45682, 49196, 52208, 56224, 81536, 91364, 98392, 104416, 112448, 159887, 182728, 196784, 208832, 224896, 319774, 365456, 393568, 417664, 639548, 730912, 787136, 1279096, 1461824, 1574272, 2558192, 2923648, 5116384, 10232768, 20465536]

約数ペア:

[(1, 20465536), (2, 10232768), (4, 5116384), (7, 2923648), (8, 2558192), (13, 1574272), (14, 1461824), (16, 1279096), (26, 787136), (28, 730912), (32, 639548), (49, 417664), (52, 393568), (56, 365456), (64, 319774), (91, 224896), (98, 208832), (104, 196784), (112, 182728), (128, 159887), (182, 112448), (196, 104416), (208, 98392), (224, 91364), (251, 81536), (364, 56224), (392, 52208), (416, 49196), (448, 45682), (502, 40768), (637, 32128), (728, 28112), (784, 26104), (832, 24598), (896, 22841), (1004, 20384), (1274, 16064), (1456, 14056), (1568, 13052), (1664, 12299), (1757, 11648), (2008, 10192), (2548, 8032), (2912, 7028), (3136, 6526), (3263, 6272), (3514, 5824), (4016, 5096)]