20804557653

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{36251}}^1$

素因数の和:36327

約数の個数: 72

約数和(自身を含む): 36103511808

約数和(自身を除く): 15298954155

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 121, 153, 187, 279, 341, 363, 527, 561, 1023, 1089, 1581, 1683, 2057, 3069, 3751, 4743, 5797, 6171, 11253, 17391, 18513, 33759, 36251, 52173, 63767, 108753, 191301, 326259, 398761, 573903, 616267, 1123781, 1196283, 1848801, 3371343, 3588849, 4386371, 5546403, 6778937, 10114029, 12361591, 13159113, 19104277, 20336811, 37084773, 39477339, 57312831, 61010433, 74568307, 111254319, 135977501, 171938493, 210147047, 223704921, 407932503, 630441141, 671114763, 1223797509, 1891323423, 2311617517, 6934852551, 20804557653]

約数ペア:

[(1, 20804557653), (3, 6934852551), (9, 2311617517), (11, 1891323423), (17, 1223797509), (31, 671114763), (33, 630441141), (51, 407932503), (93, 223704921), (99, 210147047), (121, 171938493), (153, 135977501), (187, 111254319), (279, 74568307), (341, 61010433), (363, 57312831), (527, 39477339), (561, 37084773), (1023, 20336811), (1089, 19104277), (1581, 13159113), (1683, 12361591), (2057, 10114029), (3069, 6778937), (3751, 5546403), (4743, 4386371), (5797, 3588849), (6171, 3371343), (11253, 1848801), (17391, 1196283), (18513, 1123781), (33759, 616267), (36251, 573903), (52173, 398761), (63767, 326259), (108753, 191301)]