20804938328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{6449}}^1$

素因数の和:6764

約数の個数: 64

約数和(自身を含む): 41378040000

約数和(自身を除く): 20573101672

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 197, 356, 394, 712, 788, 1576, 2047, 4094, 4531, 6449, 8188, 9062, 12898, 16376, 17533, 18124, 25796, 35066, 36248, 51592, 70132, 140264, 148327, 296654, 403259, 573961, 593308, 806518, 1147922, 1186616, 1270453, 1613036, 2295844, 2540906, 3226072, 4591688, 5081812, 10163624, 13201103, 26402206, 29220419, 52804412, 58440838, 105608824, 113070317, 116881676, 226140634, 233763352, 452281268, 904562536, 2600617291, 5201234582, 10402469164, 20804938328]

約数ペア:

[(1, 20804938328), (2, 10402469164), (4, 5201234582), (8, 2600617291), (23, 904562536), (46, 452281268), (89, 233763352), (92, 226140634), (178, 116881676), (184, 113070317), (197, 105608824), (356, 58440838), (394, 52804412), (712, 29220419), (788, 26402206), (1576, 13201103), (2047, 10163624), (4094, 5081812), (4531, 4591688), (6449, 3226072), (8188, 2540906), (9062, 2295844), (12898, 1613036), (16376, 1270453), (17533, 1186616), (18124, 1147922), (25796, 806518), (35066, 593308), (36248, 573961), (51592, 403259), (70132, 296654), (140264, 148327)]