20742903

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 31039008

約数和(自身を除く): 10296105

約数列:

[1, 3, 9, 37, 111, 167, 333, 373, 501, 1119, 1503, 3357, 6179, 13801, 18537, 41403, 55611, 62291, 124209, 186873, 560619, 2304767, 6914301, 20742903]

約数ペア:

[(1, 20742903), (3, 6914301), (9, 2304767), (37, 560619), (111, 186873), (167, 124209), (333, 62291), (373, 55611), (501, 41403), (1119, 18537), (1503, 13801), (3357, 6179)]