20553832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 41718600

約数和(自身を除く): 21164768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 769, 1028, 1538, 2056, 3076, 3341, 6152, 6682, 9997, 13364, 19994, 26728, 39988, 79976, 197633, 395266, 790532, 1581064, 2569229, 5138458, 10276916, 20553832]

約数ペア:

[(1, 20553832), (2, 10276916), (4, 5138458), (8, 2569229), (13, 1581064), (26, 790532), (52, 395266), (104, 197633), (257, 79976), (514, 39988), (769, 26728), (1028, 19994), (1538, 13364), (2056, 9997), (3076, 6682), (3341, 6152)]