20789808768

素因数分解:

$2^7\times 3^2\times {\mathrm{71}}^1\times {\mathrm{254179}}^1$

素因数の和:254270

約数の個数: 96

約数和(自身を含む): 60667682400

約数和(自身を除く): 39877873632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 284, 288, 384, 426, 568, 576, 639, 852, 1136, 1152, 1278, 1704, 2272, 2556, 3408, 4544, 5112, 6816, 9088, 10224, 13632, 20448, 27264, 40896, 81792, 254179, 508358, 762537, 1016716, 1525074, 2033432, 2287611, 3050148, 4066864, 4575222, 6100296, 8133728, 9150444, 12200592, 16267456, 18046709, 18300888, 24401184, 32534912, 36093418, 36601776, 48802368, 54140127, 72186836, 73203552, 97604736, 108280254, 144373672, 146407104, 162420381, 216560508, 288747344, 292814208, 324840762, 433121016, 577494688, 649681524, 866242032, 1154989376, 1299363048, 1732484064, 2309978752, 2598726096, 3464968128, 5197452192, 6929936256, 10394904384, 20789808768]

約数ペア:

[(1, 20789808768), (2, 10394904384), (3, 6929936256), (4, 5197452192), (6, 3464968128), (8, 2598726096), (9, 2309978752), (12, 1732484064), (16, 1299363048), (18, 1154989376), (24, 866242032), (32, 649681524), (36, 577494688), (48, 433121016), (64, 324840762), (71, 292814208), (72, 288747344), (96, 216560508), (128, 162420381), (142, 146407104), (144, 144373672), (192, 108280254), (213, 97604736), (284, 73203552), (288, 72186836), (384, 54140127), (426, 48802368), (568, 36601776), (576, 36093418), (639, 32534912), (852, 24401184), (1136, 18300888), (1152, 18046709), (1278, 16267456), (1704, 12200592), (2272, 9150444), (2556, 8133728), (3408, 6100296), (4544, 4575222), (5112, 4066864), (6816, 3050148), (9088, 2287611), (10224, 2033432), (13632, 1525074), (20448, 1016716), (27264, 762537), (40896, 508358), (81792, 254179)]