20216792479

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 23657508000

約数和(自身を除く): 3440715521

約数列:

[1, 13, 17, 83, 149, 169, 221, 569, 1079, 1411, 1937, 2533, 2873, 7397, 9673, 12367, 14027, 18343, 25181, 32929, 47227, 84781, 96161, 125749, 160771, 210239, 238459, 428077, 613951, 802859, 1102153, 1441277, 1634737, 2090023, 2733107, 7036823, 7981363, 10437167, 14327989, 18736601, 35530391, 91478699, 119625991, 135683171, 243575813, 1189223087, 1555137883, 20216792479]

約数ペア:

[(1, 20216792479), (13, 1555137883), (17, 1189223087), (83, 243575813), (149, 135683171), (169, 119625991), (221, 91478699), (569, 35530391), (1079, 18736601), (1411, 14327989), (1937, 10437167), (2533, 7981363), (2873, 7036823), (7397, 2733107), (9673, 2090023), (12367, 1634737), (14027, 1441277), (18343, 1102153), (25181, 802859), (32929, 613951), (47227, 428077), (84781, 238459), (96161, 210239), (125749, 160771)]