20070764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 43653120

約数和(自身を除く): 23582356

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1217, 2356, 2434, 4123, 4868, 8246, 8519, 16492, 17038, 23123, 34076, 37727, 46246, 75454, 92492, 150908, 161861, 264089, 323722, 528178, 647444, 716813, 1056356, 1433626, 2867252, 5017691, 10035382, 20070764]

約数ペア:

[(1, 20070764), (2, 10035382), (4, 5017691), (7, 2867252), (14, 1433626), (19, 1056356), (28, 716813), (31, 647444), (38, 528178), (62, 323722), (76, 264089), (124, 161861), (133, 150908), (217, 92492), (266, 75454), (434, 46246), (532, 37727), (589, 34076), (868, 23123), (1178, 17038), (1217, 16492), (2356, 8519), (2434, 8246), (4123, 4868)]