20321236

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 36

約数和(自身を含む): 40213152

約数和(自身を除く): 19891916

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 169, 299, 338, 598, 676, 1196, 1307, 2614, 3887, 5228, 7774, 15548, 16991, 30061, 33982, 60122, 67964, 120244, 220883, 390793, 441766, 781586, 883532, 1563172, 5080309, 10160618, 20321236]

約数ペア:

[(1, 20321236), (2, 10160618), (4, 5080309), (13, 1563172), (23, 883532), (26, 781586), (46, 441766), (52, 390793), (92, 220883), (169, 120244), (299, 67964), (338, 60122), (598, 33982), (676, 30061), (1196, 16991), (1307, 15548), (2614, 7774), (3887, 5228)]