20168945408

素因数分解:

$2^8\times {\mathrm{4933}}^1\times {\mathrm{15971}}^1$

素因数の和:20920

約数の個数: 36

約数和(自身を含む): 40269788328

約数和(自身を除く): 20100842920

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4933, 9866, 15971, 19732, 31942, 39464, 63884, 78928, 127768, 157856, 255536, 315712, 511072, 631424, 1022144, 1262848, 2044288, 4088576, 78784943, 157569886, 315139772, 630279544, 1260559088, 2521118176, 5042236352, 10084472704, 20168945408]

約数ペア:

[(1, 20168945408), (2, 10084472704), (4, 5042236352), (8, 2521118176), (16, 1260559088), (32, 630279544), (64, 315139772), (128, 157569886), (256, 78784943), (4933, 4088576), (9866, 2044288), (15971, 1262848), (19732, 1022144), (31942, 631424), (39464, 511072), (63884, 315712), (78928, 255536), (127768, 157856)]