20131038464

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1289129}}^1$

素因数の和:1289206

約数の個数: 36

約数和(自身を含む): 40842216660

約数和(自身を除く): 20711178196

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 7808, 15616, 1289129, 2578258, 5156516, 10313032, 20626064, 41252128, 78636869, 82504256, 157273738, 165008512, 314547476, 330017024, 629094952, 1258189904, 2516379808, 5032759616, 10065519232, 20131038464]

約数ペア:

[(1, 20131038464), (2, 10065519232), (4, 5032759616), (8, 2516379808), (16, 1258189904), (32, 629094952), (61, 330017024), (64, 314547476), (122, 165008512), (128, 157273738), (244, 82504256), (256, 78636869), (488, 41252128), (976, 20626064), (1952, 10313032), (3904, 5156516), (7808, 2578258), (15616, 1289129)]