20071495990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{160997}}^1$

素因数の和:161161

約数の個数: 64

約数和(自身を含む): 44790931584

約数和(自身を除く): 24719435594

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 182, 274, 455, 685, 910, 959, 1370, 1781, 1918, 3562, 4795, 8905, 9590, 12467, 17810, 24934, 62335, 124670, 160997, 321994, 804985, 1126979, 1609970, 2092961, 2253958, 4185922, 5634895, 10464805, 11269790, 14650727, 20929610, 22056589, 29301454, 44113178, 73253635, 110282945, 146507270, 154396123, 220565890, 286735657, 308792246, 573471314, 771980615, 1433678285, 1543961230, 2007149599, 2867356570, 4014299198, 10035747995, 20071495990]

約数ペア:

[(1, 20071495990), (2, 10035747995), (5, 4014299198), (7, 2867356570), (10, 2007149599), (13, 1543961230), (14, 1433678285), (26, 771980615), (35, 573471314), (65, 308792246), (70, 286735657), (91, 220565890), (130, 154396123), (137, 146507270), (182, 110282945), (274, 73253635), (455, 44113178), (685, 29301454), (910, 22056589), (959, 20929610), (1370, 14650727), (1781, 11269790), (1918, 10464805), (3562, 5634895), (4795, 4185922), (8905, 2253958), (9590, 2092961), (12467, 1609970), (17810, 1126979), (24934, 804985), (62335, 321994), (124670, 160997)]