20894208

素因数分解:

$2^9\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 56829696

約数和(自身を除く): 35935488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 223, 244, 256, 366, 384, 446, 488, 512, 669, 732, 768, 892, 976, 1338, 1464, 1536, 1784, 1952, 2676, 2928, 3568, 3904, 5352, 5856, 7136, 7808, 10704, 11712, 13603, 14272, 15616, 21408, 23424, 27206, 28544, 31232, 40809, 42816, 46848, 54412, 57088, 81618, 85632, 93696, 108824, 114176, 163236, 171264, 217648, 326472, 342528, 435296, 652944, 870592, 1305888, 1741184, 2611776, 3482368, 5223552, 6964736, 10447104, 20894208]

約数ペア:

[(1, 20894208), (2, 10447104), (3, 6964736), (4, 5223552), (6, 3482368), (8, 2611776), (12, 1741184), (16, 1305888), (24, 870592), (32, 652944), (48, 435296), (61, 342528), (64, 326472), (96, 217648), (122, 171264), (128, 163236), (183, 114176), (192, 108824), (223, 93696), (244, 85632), (256, 81618), (366, 57088), (384, 54412), (446, 46848), (488, 42816), (512, 40809), (669, 31232), (732, 28544), (768, 27206), (892, 23424), (976, 21408), (1338, 15616), (1464, 14272), (1536, 13603), (1784, 11712), (1952, 10704), (2676, 7808), (2928, 7136), (3568, 5856), (3904, 5352)]