20961024

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 108

約数和(自身を含む): 65011464

約数和(自身を除く): 44050440

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, 256, 294, 336, 384, 392, 448, 557, 588, 672, 768, 784, 896, 1114, 1176, 1344, 1568, 1671, 1792, 2228, 2352, 2688, 3136, 3342, 3899, 4456, 4704, 5376, 6272, 6684, 7798, 8912, 9408, 11697, 12544, 13368, 15596, 17824, 18816, 23394, 26736, 27293, 31192, 35648, 37632, 46788, 53472, 54586, 62384, 71296, 81879, 93576, 106944, 109172, 124768, 142592, 163758, 187152, 213888, 218344, 249536, 327516, 374304, 427776, 436688, 499072, 655032, 748608, 873376, 998144, 1310064, 1497216, 1746752, 2620128, 2994432, 3493504, 5240256, 6987008, 10480512, 20961024]

約数ペア:

[(1, 20961024), (2, 10480512), (3, 6987008), (4, 5240256), (6, 3493504), (7, 2994432), (8, 2620128), (12, 1746752), (14, 1497216), (16, 1310064), (21, 998144), (24, 873376), (28, 748608), (32, 655032), (42, 499072), (48, 436688), (49, 427776), (56, 374304), (64, 327516), (84, 249536), (96, 218344), (98, 213888), (112, 187152), (128, 163758), (147, 142592), (168, 124768), (192, 109172), (196, 106944), (224, 93576), (256, 81879), (294, 71296), (336, 62384), (384, 54586), (392, 53472), (448, 46788), (557, 37632), (588, 35648), (672, 31192), (768, 27293), (784, 26736), (896, 23394), (1114, 18816), (1176, 17824), (1344, 15596), (1568, 13368), (1671, 12544), (1792, 11697), (2228, 9408), (2352, 8912), (2688, 7798), (3136, 6684), (3342, 6272), (3899, 5376), (4456, 4704)]