20339932025

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{40343}}^1$

素因数の和:40470

約数の個数: 48

約数和(自身を含む): 29935893504

約数和(自身を除く): 9595961479

約数列:

[1, 5, 7, 25, 35, 43, 67, 175, 215, 301, 335, 469, 1075, 1505, 1675, 2345, 2881, 7525, 11725, 14405, 20167, 40343, 72025, 100835, 201715, 282401, 504175, 1008575, 1412005, 1734749, 2702981, 7060025, 8673745, 12143243, 13514905, 18920867, 43368725, 60716215, 67574525, 94604335, 116228183, 303581075, 473021675, 581140915, 813597281, 2905704575, 4067986405, 20339932025]

約数ペア:

[(1, 20339932025), (5, 4067986405), (7, 2905704575), (25, 813597281), (35, 581140915), (43, 473021675), (67, 303581075), (175, 116228183), (215, 94604335), (301, 67574525), (335, 60716215), (469, 43368725), (1075, 18920867), (1505, 13514905), (1675, 12143243), (2345, 8673745), (2881, 7060025), (7525, 2702981), (11725, 1734749), (14405, 1412005), (20167, 1008575), (40343, 504175), (72025, 282401), (100835, 201715)]