20993848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 20685512

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1607, 1633, 3214, 3266, 6428, 6532, 12856, 13064, 36961, 73922, 114097, 147844, 228194, 295688, 456388, 912776, 2624231, 5248462, 10496924, 20993848]

約数ペア:

[(1, 20993848), (2, 10496924), (4, 5248462), (8, 2624231), (23, 912776), (46, 456388), (71, 295688), (92, 228194), (142, 147844), (184, 114097), (284, 73922), (568, 36961), (1607, 13064), (1633, 12856), (3214, 6532), (3266, 6428)]