20751832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2879}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21238568

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2879, 3604, 5758, 7208, 11516, 23032, 48943, 97886, 152587, 195772, 305174, 391544, 610348, 1220696, 2593979, 5187958, 10375916, 20751832]

約数ペア:

[(1, 20751832), (2, 10375916), (4, 5187958), (8, 2593979), (17, 1220696), (34, 610348), (53, 391544), (68, 305174), (106, 195772), (136, 152587), (212, 97886), (424, 48943), (901, 23032), (1802, 11516), (2879, 7208), (3604, 5758)]