20185984

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 49523040

約数和(自身を除く): 29337056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 1733, 2912, 3466, 5824, 6932, 11648, 12131, 13864, 22529, 24262, 27728, 45058, 48524, 55456, 90116, 97048, 110912, 157703, 180232, 194096, 221824, 315406, 360464, 388192, 630812, 720928, 776384, 1261624, 1441856, 1552768, 2523248, 2883712, 5046496, 10092992, 20185984]

約数ペア:

[(1, 20185984), (2, 10092992), (4, 5046496), (7, 2883712), (8, 2523248), (13, 1552768), (14, 1441856), (16, 1261624), (26, 776384), (28, 720928), (32, 630812), (52, 388192), (56, 360464), (64, 315406), (91, 221824), (104, 194096), (112, 180232), (128, 157703), (182, 110912), (208, 97048), (224, 90116), (364, 55456), (416, 48524), (448, 45058), (728, 27728), (832, 24262), (896, 22529), (1456, 13864), (1664, 12131), (1733, 11648), (2912, 6932), (3466, 5824)]