20935488

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 65170304

約数和(自身を除く): 44234816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 148, 168, 192, 222, 224, 259, 296, 336, 421, 444, 448, 518, 592, 672, 777, 842, 888, 1036, 1184, 1263, 1344, 1554, 1684, 1776, 2072, 2368, 2526, 2947, 3108, 3368, 3552, 4144, 5052, 5894, 6216, 6736, 7104, 8288, 8841, 10104, 11788, 12432, 13472, 15577, 16576, 17682, 20208, 23576, 24864, 26944, 31154, 35364, 40416, 46731, 47152, 49728, 62308, 70728, 80832, 93462, 94304, 109039, 124616, 141456, 186924, 188608, 218078, 249232, 282912, 327117, 373848, 436156, 498464, 565824, 654234, 747696, 872312, 996928, 1308468, 1495392, 1744624, 2616936, 2990784, 3489248, 5233872, 6978496, 10467744, 20935488]

約数ペア:

[(1, 20935488), (2, 10467744), (3, 6978496), (4, 5233872), (6, 3489248), (7, 2990784), (8, 2616936), (12, 1744624), (14, 1495392), (16, 1308468), (21, 996928), (24, 872312), (28, 747696), (32, 654234), (37, 565824), (42, 498464), (48, 436156), (56, 373848), (64, 327117), (74, 282912), (84, 249232), (96, 218078), (111, 188608), (112, 186924), (148, 141456), (168, 124616), (192, 109039), (222, 94304), (224, 93462), (259, 80832), (296, 70728), (336, 62308), (421, 49728), (444, 47152), (448, 46731), (518, 40416), (592, 35364), (672, 31154), (777, 26944), (842, 24864), (888, 23576), (1036, 20208), (1184, 17682), (1263, 16576), (1344, 15577), (1554, 13472), (1684, 12432), (1776, 11788), (2072, 10104), (2368, 8841), (2526, 8288), (2947, 7104), (3108, 6736), (3368, 6216), (3552, 5894), (4144, 5052)]