20178580004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 39192515544

約数和(自身を除く): 19013935540

約数列:

[1, 2, 4, 11, 22, 44, 121, 193, 242, 337, 386, 484, 641, 674, 772, 1282, 1348, 2123, 2564, 3707, 4246, 7051, 7414, 8492, 14102, 14828, 23353, 28204, 40777, 46706, 65041, 77561, 81554, 93412, 123713, 130082, 155122, 163108, 216017, 247426, 260164, 310244, 432034, 494852, 715451, 864068, 1360843, 1430902, 2376187, 2721686, 2861804, 4752374, 5443372, 7869961, 9504748, 14969273, 15739922, 26138057, 29938546, 31479844, 41691281, 52276114, 59877092, 83382562, 104552228, 166765124, 458604091, 917208182, 1834416364, 5044645001, 10089290002, 20178580004]

約数ペア:

[(1, 20178580004), (2, 10089290002), (4, 5044645001), (11, 1834416364), (22, 917208182), (44, 458604091), (121, 166765124), (193, 104552228), (242, 83382562), (337, 59877092), (386, 52276114), (484, 41691281), (641, 31479844), (674, 29938546), (772, 26138057), (1282, 15739922), (1348, 14969273), (2123, 9504748), (2564, 7869961), (3707, 5443372), (4246, 4752374), (7051, 2861804), (7414, 2721686), (8492, 2376187), (14102, 1430902), (14828, 1360843), (23353, 864068), (28204, 715451), (40777, 494852), (46706, 432034), (65041, 310244), (77561, 260164), (81554, 247426), (93412, 216017), (123713, 163108), (130082, 155122)]