20984976768

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{1115273}}^1$

素因数の和:1115304

約数の個数: 96

約数和(自身を含む): 64842030360

約数和(自身を除く): 43857053592

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, 1176, 1344, 1568, 2352, 2688, 3136, 4704, 6272, 9408, 18816, 1115273, 2230546, 3345819, 4461092, 6691638, 7806911, 8922184, 13383276, 15613822, 17844368, 23420733, 26766552, 31227644, 35688736, 46841466, 53533104, 54648377, 62455288, 71377472, 93682932, 107066208, 109296754, 124910576, 142754944, 163945131, 187365864, 214132416, 218593508, 249821152, 327890262, 374731728, 428264832, 437187016, 499642304, 655780524, 749463456, 874374032, 999284608, 1311561048, 1498926912, 1748748064, 2623122096, 2997853824, 3497496128, 5246244192, 6994992256, 10492488384, 20984976768]

約数ペア:

[(1, 20984976768), (2, 10492488384), (3, 6994992256), (4, 5246244192), (6, 3497496128), (7, 2997853824), (8, 2623122096), (12, 1748748064), (14, 1498926912), (16, 1311561048), (21, 999284608), (24, 874374032), (28, 749463456), (32, 655780524), (42, 499642304), (48, 437187016), (49, 428264832), (56, 374731728), (64, 327890262), (84, 249821152), (96, 218593508), (98, 214132416), (112, 187365864), (128, 163945131), (147, 142754944), (168, 124910576), (192, 109296754), (196, 107066208), (224, 93682932), (294, 71377472), (336, 62455288), (384, 54648377), (392, 53533104), (448, 46841466), (588, 35688736), (672, 31227644), (784, 26766552), (896, 23420733), (1176, 17844368), (1344, 15613822), (1568, 13383276), (2352, 8922184), (2688, 7806911), (3136, 6691638), (4704, 4461092), (6272, 3345819), (9408, 2230546), (18816, 1115273)]