20889417

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4639}}^1$

素因数の和:4740

約数の個数: 16

約数和(自身を含む): 29696000

約数和(自身を除く): 8806583

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4639, 13917, 88141, 264423, 366481, 1099443, 6963139, 20889417]

約数ペア:

[(1, 20889417), (3, 6963139), (19, 1099443), (57, 366481), (79, 264423), (237, 88141), (1501, 13917), (4503, 4639)]