20796384

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4421}}^1$

素因数の和:4448

約数の個数: 72

約数和(自身を含む): 63517608

約数和(自身を除く): 42721224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4421, 4704, 8842, 13263, 17684, 26526, 30947, 35368, 53052, 61894, 70736, 92841, 106104, 123788, 141472, 185682, 212208, 216629, 247576, 371364, 424416, 433258, 495152, 649887, 742728, 866516, 990304, 1299774, 1485456, 1733032, 2599548, 2970912, 3466064, 5199096, 6932128, 10398192, 20796384]

約数ペア:

[(1, 20796384), (2, 10398192), (3, 6932128), (4, 5199096), (6, 3466064), (7, 2970912), (8, 2599548), (12, 1733032), (14, 1485456), (16, 1299774), (21, 990304), (24, 866516), (28, 742728), (32, 649887), (42, 495152), (48, 433258), (49, 424416), (56, 371364), (84, 247576), (96, 216629), (98, 212208), (112, 185682), (147, 141472), (168, 123788), (196, 106104), (224, 92841), (294, 70736), (336, 61894), (392, 53052), (588, 35368), (672, 30947), (784, 26526), (1176, 17684), (1568, 13263), (2352, 8842), (4421, 4704)]