20844824

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 55641600

約数和(自身を除く): 34796776

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 137, 143, 152, 154, 182, 209, 247, 266, 274, 286, 308, 364, 418, 494, 532, 548, 572, 616, 728, 836, 959, 988, 1001, 1064, 1096, 1144, 1463, 1507, 1672, 1729, 1781, 1918, 1976, 2002, 2603, 2717, 2926, 3014, 3458, 3562, 3836, 4004, 5206, 5434, 5852, 6028, 6916, 7124, 7672, 8008, 10412, 10549, 10868, 11704, 12056, 12467, 13832, 14248, 18221, 19019, 19591, 20824, 21098, 21736, 24934, 28633, 33839, 36442, 38038, 39182, 42196, 49868, 57266, 67678, 72884, 76076, 78364, 84392, 99736, 114532, 135356, 137137, 145768, 152152, 156728, 200431, 229064, 236873, 270712, 274274, 372229, 400862, 473746, 548548, 744458, 801724, 947492, 1097096, 1488916, 1603448, 1894984, 2605603, 2977832, 5211206, 10422412, 20844824]

約数ペア:

[(1, 20844824), (2, 10422412), (4, 5211206), (7, 2977832), (8, 2605603), (11, 1894984), (13, 1603448), (14, 1488916), (19, 1097096), (22, 947492), (26, 801724), (28, 744458), (38, 548548), (44, 473746), (52, 400862), (56, 372229), (76, 274274), (77, 270712), (88, 236873), (91, 229064), (104, 200431), (133, 156728), (137, 152152), (143, 145768), (152, 137137), (154, 135356), (182, 114532), (209, 99736), (247, 84392), (266, 78364), (274, 76076), (286, 72884), (308, 67678), (364, 57266), (418, 49868), (494, 42196), (532, 39182), (548, 38038), (572, 36442), (616, 33839), (728, 28633), (836, 24934), (959, 21736), (988, 21098), (1001, 20824), (1064, 19591), (1096, 19019), (1144, 18221), (1463, 14248), (1507, 13832), (1672, 12467), (1729, 12056), (1781, 11704), (1918, 10868), (1976, 10549), (2002, 10412), (2603, 8008), (2717, 7672), (2926, 7124), (3014, 6916), (3458, 6028), (3562, 5852), (3836, 5434), (4004, 5206)]