20512474548

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1293

約数の個数: 96

約数和(自身を含む): 49620738048

約数和(自身を除く): 29108263500

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 227, 271, 444, 454, 542, 681, 751, 813, 908, 1084, 1362, 1502, 1626, 2253, 2724, 3004, 3252, 4506, 8399, 9012, 10027, 16798, 20054, 25197, 27787, 30081, 33596, 40108, 50394, 55574, 60162, 61517, 83361, 100788, 111148, 120324, 123034, 166722, 170477, 184551, 203521, 246068, 333444, 340954, 369102, 407042, 511431, 610563, 681908, 738204, 814084, 1022862, 1221126, 2045724, 2276129, 2442252, 4552258, 6307649, 6828387, 7530277, 9104516, 12615298, 13656774, 15060554, 18922947, 22590831, 25230596, 27313548, 30121108, 37845894, 45181662, 46199267, 75691788, 90363324, 92398534, 138597801, 184797068, 277195602, 554391204, 1709372879, 3418745758, 5128118637, 6837491516, 10256237274, 20512474548]

約数ペア:

[(1, 20512474548), (2, 10256237274), (3, 6837491516), (4, 5128118637), (6, 3418745758), (12, 1709372879), (37, 554391204), (74, 277195602), (111, 184797068), (148, 138597801), (222, 92398534), (227, 90363324), (271, 75691788), (444, 46199267), (454, 45181662), (542, 37845894), (681, 30121108), (751, 27313548), (813, 25230596), (908, 22590831), (1084, 18922947), (1362, 15060554), (1502, 13656774), (1626, 12615298), (2253, 9104516), (2724, 7530277), (3004, 6828387), (3252, 6307649), (4506, 4552258), (8399, 2442252), (9012, 2276129), (10027, 2045724), (16798, 1221126), (20054, 1022862), (25197, 814084), (27787, 738204), (30081, 681908), (33596, 610563), (40108, 511431), (50394, 407042), (55574, 369102), (60162, 340954), (61517, 333444), (83361, 246068), (100788, 203521), (111148, 184551), (120324, 170477), (123034, 166722)]