20996933188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1597

約数の個数: 96

約数和(自身を含む): 46240346880

約数和(自身を除く): 25243413692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 173, 308, 346, 389, 692, 778, 1013, 1211, 1556, 1903, 2026, 2422, 2723, 3806, 4052, 4279, 4844, 5446, 7091, 7612, 8558, 10892, 11143, 13321, 14182, 17116, 22286, 26642, 28364, 29953, 44572, 53284, 59906, 67297, 78001, 119812, 134594, 156002, 175249, 269188, 312004, 350498, 394057, 471079, 700996, 740267, 788114, 942158, 1226743, 1480534, 1576228, 1884316, 1927739, 2453486, 2758399, 2961068, 3855478, 4334627, 4906972, 5181869, 5516798, 7710956, 8669254, 10363738, 11033596, 13494173, 17338508, 20727476, 26988346, 30342389, 53976692, 60684778, 68171861, 121369556, 136343722, 272687444, 477203027, 749890471, 954406054, 1499780942, 1908812108, 2999561884, 5249233297, 10498466594, 20996933188]

約数ペア:

[(1, 20996933188), (2, 10498466594), (4, 5249233297), (7, 2999561884), (11, 1908812108), (14, 1499780942), (22, 954406054), (28, 749890471), (44, 477203027), (77, 272687444), (154, 136343722), (173, 121369556), (308, 68171861), (346, 60684778), (389, 53976692), (692, 30342389), (778, 26988346), (1013, 20727476), (1211, 17338508), (1556, 13494173), (1903, 11033596), (2026, 10363738), (2422, 8669254), (2723, 7710956), (3806, 5516798), (4052, 5181869), (4279, 4906972), (4844, 4334627), (5446, 3855478), (7091, 2961068), (7612, 2758399), (8558, 2453486), (10892, 1927739), (11143, 1884316), (13321, 1576228), (14182, 1480534), (17116, 1226743), (22286, 942158), (26642, 788114), (28364, 740267), (29953, 700996), (44572, 471079), (53284, 394057), (59906, 350498), (67297, 312004), (78001, 269188), (119812, 175249), (134594, 156002)]