20407648

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 24

約数和(自身を含む): 41564880

約数和(自身を除く): 21157232

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21991, 43982, 87964, 175928, 351856, 637739, 703712, 1275478, 2550956, 5101912, 10203824, 20407648]

約数ペア:

[(1, 20407648), (2, 10203824), (4, 5101912), (8, 2550956), (16, 1275478), (29, 703712), (32, 637739), (58, 351856), (116, 175928), (232, 87964), (464, 43982), (928, 21991)]