20633452

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22041236

約数列:

[1, 2, 4, 7, 14, 28, 71, 97, 107, 142, 194, 214, 284, 388, 428, 497, 679, 749, 994, 1358, 1498, 1988, 2716, 2996, 6887, 7597, 10379, 13774, 15194, 20758, 27548, 30388, 41516, 48209, 53179, 72653, 96418, 106358, 145306, 192836, 212716, 290612, 736909, 1473818, 2947636, 5158363, 10316726, 20633452]

約数ペア:

[(1, 20633452), (2, 10316726), (4, 5158363), (7, 2947636), (14, 1473818), (28, 736909), (71, 290612), (97, 212716), (107, 192836), (142, 145306), (194, 106358), (214, 96418), (284, 72653), (388, 53179), (428, 48209), (497, 41516), (679, 30388), (749, 27548), (994, 20758), (1358, 15194), (1498, 13774), (1988, 10379), (2716, 7597), (2996, 6887)]