20781582

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2680

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 23800818

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 158, 237, 474, 1343, 2579, 2686, 4029, 5158, 7737, 8058, 15474, 43843, 87686, 131529, 203741, 263058, 407482, 611223, 1222446, 3463597, 6927194, 10390791, 20781582]

約数ペア:

[(1, 20781582), (2, 10390791), (3, 6927194), (6, 3463597), (17, 1222446), (34, 611223), (51, 407482), (79, 263058), (102, 203741), (158, 131529), (237, 87686), (474, 43843), (1343, 15474), (2579, 8058), (2686, 7737), (4029, 5158)]