20257057366

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{836861}}^1$

素因数の和:836909

約数の個数: 48

約数和(自身を含む): 40068952560

約数和(自身を除く): 19811895194

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 24206, 836861, 1673722, 5858027, 10879193, 11716054, 15900359, 21758386, 31800718, 41006189, 76154351, 82012378, 111302513, 152308702, 206704667, 222605026, 413409334, 533080457, 779117591, 1066160914, 1446932669, 1558235182, 2893865338, 10128528683, 20257057366]

約数ペア:

[(1, 20257057366), (2, 10128528683), (7, 2893865338), (13, 1558235182), (14, 1446932669), (19, 1066160914), (26, 779117591), (38, 533080457), (49, 413409334), (91, 222605026), (98, 206704667), (133, 152308702), (182, 111302513), (247, 82012378), (266, 76154351), (494, 41006189), (637, 31800718), (931, 21758386), (1274, 15900359), (1729, 11716054), (1862, 10879193), (3458, 5858027), (12103, 1673722), (24206, 836861)]