20161764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26669}}^1$

素因数の和:26689

約数の個数: 48

約数和(自身を含む): 59740800

約数和(自身を除く): 39579036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26669, 53338, 80007, 106676, 160014, 186683, 240021, 320028, 373366, 480042, 560049, 720063, 746732, 960084, 1120098, 1440126, 1680147, 2240196, 2880252, 3360294, 5040441, 6720588, 10080882, 20161764]

約数ペア:

[(1, 20161764), (2, 10080882), (3, 6720588), (4, 5040441), (6, 3360294), (7, 2880252), (9, 2240196), (12, 1680147), (14, 1440126), (18, 1120098), (21, 960084), (27, 746732), (28, 720063), (36, 560049), (42, 480042), (54, 373366), (63, 320028), (84, 240021), (108, 186683), (126, 160014), (189, 106676), (252, 80007), (378, 53338), (756, 26669)]