20580451540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{133069}}^1$

素因数の和:133145

約数の個数: 96

約数和(自身を含む): 50971132800

約数和(自身を除く): 30390681260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 148, 185, 190, 209, 220, 370, 380, 407, 418, 703, 740, 814, 836, 1045, 1406, 1628, 2035, 2090, 2812, 3515, 4070, 4180, 7030, 7733, 8140, 14060, 15466, 30932, 38665, 77330, 133069, 154660, 266138, 532276, 665345, 1330690, 1463759, 2528311, 2661380, 2927518, 4923553, 5056622, 5855036, 7318795, 9847106, 10113244, 12641555, 14637590, 19694212, 24617765, 25283110, 27811421, 29275180, 49235530, 50566220, 54159083, 55622842, 93547507, 98471060, 108318166, 111245684, 139057105, 187095014, 216636332, 270795415, 278114210, 374190028, 467737535, 541590830, 556228420, 935475070, 1029022577, 1083181660, 1870950140, 2058045154, 4116090308, 5145112885, 10290225770, 20580451540]

約数ペア:

[(1, 20580451540), (2, 10290225770), (4, 5145112885), (5, 4116090308), (10, 2058045154), (11, 1870950140), (19, 1083181660), (20, 1029022577), (22, 935475070), (37, 556228420), (38, 541590830), (44, 467737535), (55, 374190028), (74, 278114210), (76, 270795415), (95, 216636332), (110, 187095014), (148, 139057105), (185, 111245684), (190, 108318166), (209, 98471060), (220, 93547507), (370, 55622842), (380, 54159083), (407, 50566220), (418, 49235530), (703, 29275180), (740, 27811421), (814, 25283110), (836, 24617765), (1045, 19694212), (1406, 14637590), (1628, 12641555), (2035, 10113244), (2090, 9847106), (2812, 7318795), (3515, 5855036), (4070, 5056622), (4180, 4923553), (7030, 2927518), (7733, 2661380), (8140, 2528311), (14060, 1463759), (15466, 1330690), (30932, 665345), (38665, 532276), (77330, 266138), (133069, 154660)]