20712679295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{2699}}^1$

素因数の和:3396

約数の個数: 64

約数和(自身を含む): 32049561600

約数和(自身を除く): 11336882305

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 643, 1085, 1705, 2387, 2699, 3215, 4501, 7073, 11935, 13495, 18893, 19933, 22505, 29689, 35365, 49511, 83669, 94465, 99665, 139531, 148445, 207823, 219263, 247555, 418345, 585683, 697655, 920359, 1039115, 1096315, 1534841, 1735457, 2928415, 4601795, 6442513, 7674205, 8677285, 12148199, 19090027, 32212565, 53799167, 60740995, 95450135, 133630189, 268995835, 376594169, 591790837, 668150945, 1882970845, 2958954185, 4142535859, 20712679295]

約数ペア:

[(1, 20712679295), (5, 4142535859), (7, 2958954185), (11, 1882970845), (31, 668150945), (35, 591790837), (55, 376594169), (77, 268995835), (155, 133630189), (217, 95450135), (341, 60740995), (385, 53799167), (643, 32212565), (1085, 19090027), (1705, 12148199), (2387, 8677285), (2699, 7674205), (3215, 6442513), (4501, 4601795), (7073, 2928415), (11935, 1735457), (13495, 1534841), (18893, 1096315), (19933, 1039115), (22505, 920359), (29689, 697655), (35365, 585683), (49511, 418345), (83669, 247555), (94465, 219263), (99665, 207823), (139531, 148445)]