20162064040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359267}}^1$

素因数の和:359362

約数の個数: 64

約数和(自身を含む): 48113170560

約数和(自身を除く): 27951106520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2806, 5612, 7015, 11224, 14030, 28060, 56120, 359267, 718534, 1437068, 1796335, 2874136, 3592670, 7185340, 8263141, 14370680, 16526282, 21915287, 33052564, 41315705, 43830574, 66105128, 82631410, 87661148, 109576435, 165262820, 175322296, 219152870, 330525640, 438305740, 504051601, 876611480, 1008103202, 2016206404, 2520258005, 4032412808, 5040516010, 10081032020, 20162064040]

約数ペア:

[(1, 20162064040), (2, 10081032020), (4, 5040516010), (5, 4032412808), (8, 2520258005), (10, 2016206404), (20, 1008103202), (23, 876611480), (40, 504051601), (46, 438305740), (61, 330525640), (92, 219152870), (115, 175322296), (122, 165262820), (184, 109576435), (230, 87661148), (244, 82631410), (305, 66105128), (460, 43830574), (488, 41315705), (610, 33052564), (920, 21915287), (1220, 16526282), (1403, 14370680), (2440, 8263141), (2806, 7185340), (5612, 3592670), (7015, 2874136), (11224, 1796335), (14030, 1437068), (28060, 718534), (56120, 359267)]