20287522528

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^2\times {\mathrm{10937}}^1$

素因数の和:10994

約数の個数: 144

約数和(自身を含む): 50441680800

約数和(自身を除く): 30154158272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 208, 224, 338, 343, 364, 392, 416, 637, 676, 686, 728, 784, 1183, 1274, 1352, 1372, 1456, 1568, 2366, 2548, 2704, 2744, 2912, 4459, 4732, 5096, 5408, 5488, 8281, 8918, 9464, 10192, 10937, 10976, 16562, 17836, 18928, 20384, 21874, 33124, 35672, 37856, 43748, 57967, 66248, 71344, 76559, 87496, 115934, 132496, 142181, 142688, 153118, 174992, 231868, 264992, 284362, 306236, 349984, 463736, 535913, 568724, 612472, 927472, 995267, 1071826, 1137448, 1224944, 1848353, 1854944, 1990534, 2143652, 2274896, 2449888, 3696706, 3751391, 3981068, 4287304, 4549792, 6966869, 7393412, 7502782, 7962136, 8574608, 12938471, 13933738, 14786824, 15005564, 15924272, 17149216, 25876942, 27867476, 29573648, 30011128, 31848544, 48768083, 51753884, 55734952, 59147296, 60022256, 90569297, 97536166, 103507768, 111469904, 120044512, 181138594, 195072332, 207015536, 222939808, 362277188, 390144664, 414031072, 633985079, 724554376, 780289328, 1267970158, 1449108752, 1560578656, 2535940316, 2898217504, 5071880632, 10143761264, 20287522528]

約数ペア:

[(1, 20287522528), (2, 10143761264), (4, 5071880632), (7, 2898217504), (8, 2535940316), (13, 1560578656), (14, 1449108752), (16, 1267970158), (26, 780289328), (28, 724554376), (32, 633985079), (49, 414031072), (52, 390144664), (56, 362277188), (91, 222939808), (98, 207015536), (104, 195072332), (112, 181138594), (169, 120044512), (182, 111469904), (196, 103507768), (208, 97536166), (224, 90569297), (338, 60022256), (343, 59147296), (364, 55734952), (392, 51753884), (416, 48768083), (637, 31848544), (676, 30011128), (686, 29573648), (728, 27867476), (784, 25876942), (1183, 17149216), (1274, 15924272), (1352, 15005564), (1372, 14786824), (1456, 13933738), (1568, 12938471), (2366, 8574608), (2548, 7962136), (2704, 7502782), (2744, 7393412), (2912, 6966869), (4459, 4549792), (4732, 4287304), (5096, 3981068), (5408, 3751391), (5488, 3696706), (8281, 2449888), (8918, 2274896), (9464, 2143652), (10192, 1990534), (10937, 1854944), (10976, 1848353), (16562, 1224944), (17836, 1137448), (18928, 1071826), (20384, 995267), (21874, 927472), (33124, 612472), (35672, 568724), (37856, 535913), (43748, 463736), (57967, 349984), (66248, 306236), (71344, 284362), (76559, 264992), (87496, 231868), (115934, 174992), (132496, 153118), (142181, 142688)]