20956801424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{9613}}^1$

素因数の和:9904

約数の個数: 80

約数和(自身を含む): 44862461952

約数和(自身を除く): 23905660528

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 223, 376, 446, 611, 752, 892, 1222, 1784, 2444, 2899, 3568, 4888, 5798, 9613, 9776, 10481, 11596, 19226, 20962, 23192, 38452, 41924, 46384, 76904, 83848, 124969, 136253, 153808, 167696, 249938, 272506, 451811, 499876, 545012, 903622, 999752, 1090024, 1807244, 1999504, 2143699, 2180048, 3614488, 4287398, 5873543, 7228976, 8574796, 11747086, 17149592, 23494172, 27868087, 34299184, 46988344, 55736174, 93976688, 100753853, 111472348, 201507706, 222944696, 403015412, 445889392, 806030824, 1309800089, 1612061648, 2619600178, 5239200356, 10478400712, 20956801424]

約数ペア:

[(1, 20956801424), (2, 10478400712), (4, 5239200356), (8, 2619600178), (13, 1612061648), (16, 1309800089), (26, 806030824), (47, 445889392), (52, 403015412), (94, 222944696), (104, 201507706), (188, 111472348), (208, 100753853), (223, 93976688), (376, 55736174), (446, 46988344), (611, 34299184), (752, 27868087), (892, 23494172), (1222, 17149592), (1784, 11747086), (2444, 8574796), (2899, 7228976), (3568, 5873543), (4888, 4287398), (5798, 3614488), (9613, 2180048), (9776, 2143699), (10481, 1999504), (11596, 1807244), (19226, 1090024), (20962, 999752), (23192, 903622), (38452, 545012), (41924, 499876), (46384, 451811), (76904, 272506), (83848, 249938), (124969, 167696), (136253, 153808)]