20395269

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 30232800

約数和(自身を除く): 9837531

約数列:

[1, 3, 9, 67, 149, 201, 227, 447, 603, 681, 1341, 2043, 9983, 15209, 29949, 33823, 45627, 89847, 101469, 136881, 304407, 2266141, 6798423, 20395269]

約数ペア:

[(1, 20395269), (3, 6798423), (9, 2266141), (67, 304407), (149, 136881), (201, 101469), (227, 89847), (447, 45627), (603, 33823), (681, 29949), (1341, 15209), (2043, 9983)]