20804879595

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 34061005440

約数和(自身を除く): 13256125845

約数列:

[1, 3, 5, 15, 109, 137, 293, 317, 327, 411, 545, 685, 879, 951, 1465, 1585, 1635, 2055, 4395, 4755, 14933, 31937, 34553, 40141, 43429, 44799, 74665, 92881, 95811, 103659, 120423, 130287, 159685, 172765, 200705, 217145, 223995, 278643, 464405, 479055, 518295, 602115, 651435, 1393215, 4375369, 4733761, 10124029, 12724697, 13126107, 14201283, 21876845, 23668805, 30372087, 38174091, 50620145, 63623485, 65630535, 71006415, 151860435, 190870455, 1386991973, 4160975919, 6934959865, 20804879595]

約数ペア:

[(1, 20804879595), (3, 6934959865), (5, 4160975919), (15, 1386991973), (109, 190870455), (137, 151860435), (293, 71006415), (317, 65630535), (327, 63623485), (411, 50620145), (545, 38174091), (685, 30372087), (879, 23668805), (951, 21876845), (1465, 14201283), (1585, 13126107), (1635, 12724697), (2055, 10124029), (4395, 4733761), (4755, 4375369), (14933, 1393215), (31937, 651435), (34553, 602115), (40141, 518295), (43429, 479055), (44799, 464405), (74665, 278643), (92881, 223995), (95811, 217145), (103659, 200705), (120423, 172765), (130287, 159685)]