20528256

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{1091}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 63488880

約数和(自身を除く): 42960624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1091, 1176, 1344, 1568, 2182, 2352, 2688, 3136, 3273, 4364, 4704, 6272, 6546, 7637, 8728, 9408, 13092, 15274, 17456, 18816, 22911, 26184, 30548, 34912, 45822, 52368, 53459, 61096, 69824, 91644, 104736, 106918, 122192, 139648, 160377, 183288, 209472, 213836, 244384, 320754, 366576, 418944, 427672, 488768, 641508, 733152, 855344, 977536, 1283016, 1466304, 1710688, 2566032, 2932608, 3421376, 5132064, 6842752, 10264128, 20528256]

約数ペア:

[(1, 20528256), (2, 10264128), (3, 6842752), (4, 5132064), (6, 3421376), (7, 2932608), (8, 2566032), (12, 1710688), (14, 1466304), (16, 1283016), (21, 977536), (24, 855344), (28, 733152), (32, 641508), (42, 488768), (48, 427672), (49, 418944), (56, 366576), (64, 320754), (84, 244384), (96, 213836), (98, 209472), (112, 183288), (128, 160377), (147, 139648), (168, 122192), (192, 106918), (196, 104736), (224, 91644), (294, 69824), (336, 61096), (384, 53459), (392, 52368), (448, 45822), (588, 34912), (672, 30548), (784, 26184), (896, 22911), (1091, 18816), (1176, 17456), (1344, 15274), (1568, 13092), (2182, 9408), (2352, 8728), (2688, 7637), (3136, 6546), (3273, 6272), (4364, 4704)]