20752804144

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{2113}}^1$

素因数の和:2558

約数の個数: 80

約数和(自身を含む): 42418847520

約数和(自身を除く): 21666043376

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 347, 464, 488, 694, 976, 1388, 1769, 2113, 2776, 3538, 4226, 5552, 7076, 8452, 10063, 14152, 16904, 20126, 21167, 28304, 33808, 40252, 42334, 61277, 80504, 84668, 122554, 128893, 161008, 169336, 245108, 257786, 338672, 490216, 515572, 613843, 733211, 980432, 1031144, 1227686, 1466422, 2062288, 2455372, 2932844, 3737897, 4910744, 5865688, 7475794, 9821488, 11731376, 14951588, 21263119, 29903176, 42526238, 44725871, 59806352, 85052476, 89451742, 170104952, 178903484, 340209904, 357806968, 715613936, 1297050259, 2594100518, 5188201036, 10376402072, 20752804144]

約数ペア:

[(1, 20752804144), (2, 10376402072), (4, 5188201036), (8, 2594100518), (16, 1297050259), (29, 715613936), (58, 357806968), (61, 340209904), (116, 178903484), (122, 170104952), (232, 89451742), (244, 85052476), (347, 59806352), (464, 44725871), (488, 42526238), (694, 29903176), (976, 21263119), (1388, 14951588), (1769, 11731376), (2113, 9821488), (2776, 7475794), (3538, 5865688), (4226, 4910744), (5552, 3737897), (7076, 2932844), (8452, 2455372), (10063, 2062288), (14152, 1466422), (16904, 1227686), (20126, 1031144), (21167, 980432), (28304, 733211), (33808, 613843), (40252, 515572), (42334, 490216), (61277, 338672), (80504, 257786), (84668, 245108), (122554, 169336), (128893, 161008)]