20296276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 49335552

約数和(自身を除く): 29039276

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 52, 74, 77, 91, 137, 143, 148, 154, 182, 259, 274, 286, 308, 364, 407, 481, 518, 548, 572, 814, 959, 962, 1001, 1036, 1507, 1628, 1781, 1918, 1924, 2002, 2849, 3014, 3367, 3562, 3836, 4004, 5069, 5291, 5698, 6028, 6734, 7124, 10138, 10549, 10582, 11396, 12467, 13468, 19591, 20276, 21098, 21164, 24934, 35483, 37037, 39182, 42196, 49868, 55759, 65897, 70966, 74074, 78364, 111518, 131794, 137137, 141932, 148148, 223036, 263588, 274274, 390313, 461279, 548548, 724867, 780626, 922558, 1449734, 1561252, 1845116, 2899468, 5074069, 10148138, 20296276]

約数ペア:

[(1, 20296276), (2, 10148138), (4, 5074069), (7, 2899468), (11, 1845116), (13, 1561252), (14, 1449734), (22, 922558), (26, 780626), (28, 724867), (37, 548548), (44, 461279), (52, 390313), (74, 274274), (77, 263588), (91, 223036), (137, 148148), (143, 141932), (148, 137137), (154, 131794), (182, 111518), (259, 78364), (274, 74074), (286, 70966), (308, 65897), (364, 55759), (407, 49868), (481, 42196), (518, 39182), (548, 37037), (572, 35483), (814, 24934), (959, 21164), (962, 21098), (1001, 20276), (1036, 19591), (1507, 13468), (1628, 12467), (1781, 11396), (1918, 10582), (1924, 10549), (2002, 10138), (2849, 7124), (3014, 6734), (3367, 6028), (3562, 5698), (3836, 5291), (4004, 5069)]