20291207852

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{453293}}^1$

素因数の和:453366

約数の個数: 36

約数和(自身を含む): 38685923136

約数和(自身を除く): 18394715284

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 589, 722, 1178, 1444, 2356, 11191, 22382, 44764, 453293, 906586, 1813172, 8612567, 14052083, 17225134, 28104166, 34450268, 56208332, 163638773, 266989577, 327277546, 533979154, 654555092, 1067958308, 5072801963, 10145603926, 20291207852]

約数ペア:

[(1, 20291207852), (2, 10145603926), (4, 5072801963), (19, 1067958308), (31, 654555092), (38, 533979154), (62, 327277546), (76, 266989577), (124, 163638773), (361, 56208332), (589, 34450268), (722, 28104166), (1178, 17225134), (1444, 14052083), (2356, 8612567), (11191, 1813172), (22382, 906586), (44764, 453293)]