20761799552

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3739}}^1$

素因数の和:3884

約数の個数: 128

約数和(自身を含む): 46143820800

約数和(自身を除く): 25382021248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 71, 94, 104, 128, 142, 188, 208, 284, 376, 416, 568, 611, 752, 832, 923, 1136, 1222, 1504, 1664, 1846, 2272, 2444, 3008, 3337, 3692, 3739, 4544, 4888, 6016, 6674, 7384, 7478, 9088, 9776, 13348, 14768, 14956, 19552, 26696, 29536, 29912, 39104, 43381, 48607, 53392, 59072, 59824, 78208, 86762, 97214, 106784, 118144, 119648, 173524, 175733, 194428, 213568, 239296, 265469, 347048, 351466, 388856, 427136, 478592, 530938, 694096, 702932, 777712, 1061876, 1388192, 1405864, 1555424, 2123752, 2284529, 2776384, 2811728, 3110848, 3451097, 4247504, 4569058, 5552768, 5623456, 6221696, 6902194, 8495008, 9138116, 11246912, 12477043, 13804388, 16990016, 18276232, 22493824, 24954086, 27608776, 33980032, 36552464, 49908172, 55217552, 73104928, 99816344, 110435104, 146209856, 162201559, 199632688, 220870208, 292419712, 324403118, 399265376, 441740416, 648806236, 798530752, 1297612472, 1597061504, 2595224944, 5190449888, 10380899776, 20761799552]

約数ペア:

[(1, 20761799552), (2, 10380899776), (4, 5190449888), (8, 2595224944), (13, 1597061504), (16, 1297612472), (26, 798530752), (32, 648806236), (47, 441740416), (52, 399265376), (64, 324403118), (71, 292419712), (94, 220870208), (104, 199632688), (128, 162201559), (142, 146209856), (188, 110435104), (208, 99816344), (284, 73104928), (376, 55217552), (416, 49908172), (568, 36552464), (611, 33980032), (752, 27608776), (832, 24954086), (923, 22493824), (1136, 18276232), (1222, 16990016), (1504, 13804388), (1664, 12477043), (1846, 11246912), (2272, 9138116), (2444, 8495008), (3008, 6902194), (3337, 6221696), (3692, 5623456), (3739, 5552768), (4544, 4569058), (4888, 4247504), (6016, 3451097), (6674, 3110848), (7384, 2811728), (7478, 2776384), (9088, 2284529), (9776, 2123752), (13348, 1555424), (14768, 1405864), (14956, 1388192), (19552, 1061876), (26696, 777712), (29536, 702932), (29912, 694096), (39104, 530938), (43381, 478592), (48607, 427136), (53392, 388856), (59072, 351466), (59824, 347048), (78208, 265469), (86762, 239296), (97214, 213568), (106784, 194428), (118144, 175733), (119648, 173524)]