20649096

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1697}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 60593130

約数和(自身を除く): 39944034

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1697, 2028, 3042, 3394, 4056, 5091, 6084, 6788, 10182, 12168, 13576, 15273, 20364, 22061, 30546, 40728, 44122, 61092, 66183, 88244, 122184, 132366, 176488, 198549, 264732, 286793, 397098, 529464, 573586, 794196, 860379, 1147172, 1588392, 1720758, 2294344, 2581137, 3441516, 5162274, 6883032, 10324548, 20649096]

約数ペア:

[(1, 20649096), (2, 10324548), (3, 6883032), (4, 5162274), (6, 3441516), (8, 2581137), (9, 2294344), (12, 1720758), (13, 1588392), (18, 1147172), (24, 860379), (26, 794196), (36, 573586), (39, 529464), (52, 397098), (72, 286793), (78, 264732), (104, 198549), (117, 176488), (156, 132366), (169, 122184), (234, 88244), (312, 66183), (338, 61092), (468, 44122), (507, 40728), (676, 30546), (936, 22061), (1014, 20364), (1352, 15273), (1521, 13576), (1697, 12168), (2028, 10182), (3042, 6788), (3394, 6084), (4056, 5091)]