20163900680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{225749}}^1$

素因数の和:225807

約数の個数: 128

約数和(自身を含む): 58514400000

約数和(自身を除く): 38350499320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1540, 1595, 1624, 2030, 2233, 2552, 3080, 3190, 4060, 4466, 6380, 8120, 8932, 11165, 12760, 17864, 22330, 44660, 89320, 225749, 451498, 902996, 1128745, 1580243, 1805992, 2257490, 2483239, 3160486, 4514980, 4966478, 6320972, 6546721, 7901215, 9029960, 9932956, 12416195, 12641944, 13093442, 15802430, 17382673, 19865912, 24832390, 26186884, 31604860, 32733605, 34765346, 45827047, 49664780, 52373768, 63209720, 65467210, 69530692, 72013931, 86913365, 91654094, 99329560, 130934420, 139061384, 144027862, 173826730, 183308188, 229135235, 261868840, 288055724, 347653460, 360069655, 366616376, 458270470, 504097517, 576111448, 695306920, 720139310, 916540940, 1008195034, 1440278620, 1833081880, 2016390068, 2520487585, 2880557240, 4032780136, 5040975170, 10081950340, 20163900680]

約数ペア:

[(1, 20163900680), (2, 10081950340), (4, 5040975170), (5, 4032780136), (7, 2880557240), (8, 2520487585), (10, 2016390068), (11, 1833081880), (14, 1440278620), (20, 1008195034), (22, 916540940), (28, 720139310), (29, 695306920), (35, 576111448), (40, 504097517), (44, 458270470), (55, 366616376), (56, 360069655), (58, 347653460), (70, 288055724), (77, 261868840), (88, 229135235), (110, 183308188), (116, 173826730), (140, 144027862), (145, 139061384), (154, 130934420), (203, 99329560), (220, 91654094), (232, 86913365), (280, 72013931), (290, 69530692), (308, 65467210), (319, 63209720), (385, 52373768), (406, 49664780), (440, 45827047), (580, 34765346), (616, 32733605), (638, 31604860), (770, 26186884), (812, 24832390), (1015, 19865912), (1160, 17382673), (1276, 15802430), (1540, 13093442), (1595, 12641944), (1624, 12416195), (2030, 9932956), (2233, 9029960), (2552, 7901215), (3080, 6546721), (3190, 6320972), (4060, 4966478), (4466, 4514980), (6380, 3160486), (8120, 2483239), (8932, 2257490), (11165, 1805992), (12760, 1580243), (17864, 1128745), (22330, 902996), (44660, 451498), (89320, 225749)]