20376804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37683996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 53, 69, 84, 92, 106, 138, 159, 161, 199, 212, 276, 318, 322, 371, 398, 483, 597, 636, 644, 742, 796, 966, 1113, 1194, 1219, 1393, 1484, 1932, 2226, 2388, 2438, 2786, 3657, 4179, 4452, 4577, 4876, 5572, 7314, 8358, 8533, 9154, 10547, 13731, 14628, 16716, 17066, 18308, 21094, 25599, 27462, 31641, 32039, 34132, 42188, 51198, 54924, 63282, 64078, 73829, 96117, 102396, 126564, 128156, 147658, 192234, 221487, 242581, 295316, 384468, 442974, 485162, 727743, 885948, 970324, 1455486, 1698067, 2910972, 3396134, 5094201, 6792268, 10188402, 20376804]

約数ペア:

[(1, 20376804), (2, 10188402), (3, 6792268), (4, 5094201), (6, 3396134), (7, 2910972), (12, 1698067), (14, 1455486), (21, 970324), (23, 885948), (28, 727743), (42, 485162), (46, 442974), (53, 384468), (69, 295316), (84, 242581), (92, 221487), (106, 192234), (138, 147658), (159, 128156), (161, 126564), (199, 102396), (212, 96117), (276, 73829), (318, 64078), (322, 63282), (371, 54924), (398, 51198), (483, 42188), (597, 34132), (636, 32039), (644, 31641), (742, 27462), (796, 25599), (966, 21094), (1113, 18308), (1194, 17066), (1219, 16716), (1393, 14628), (1484, 13731), (1932, 10547), (2226, 9154), (2388, 8533), (2438, 8358), (2786, 7314), (3657, 5572), (4179, 4876), (4452, 4577)]