20184747520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1126381}}^1$

素因数の和:1126411

約数の個数: 80

約数和(自身を含む): 55309861728

約数和(自身を除く): 35125114208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 1126381, 2252762, 4505524, 5631905, 7884667, 9011048, 11263810, 15769334, 18022096, 22527620, 31538668, 36044192, 39423335, 45055240, 63077336, 72088384, 78846670, 90110480, 126154672, 144176768, 157693340, 180220960, 252309344, 288353536, 315386680, 360441920, 504618688, 576707072, 630773360, 720883840, 1009237376, 1261546720, 1441767680, 2018474752, 2523093440, 2883535360, 4036949504, 5046186880, 10092373760, 20184747520]

約数ペア:

[(1, 20184747520), (2, 10092373760), (4, 5046186880), (5, 4036949504), (7, 2883535360), (8, 2523093440), (10, 2018474752), (14, 1441767680), (16, 1261546720), (20, 1009237376), (28, 720883840), (32, 630773360), (35, 576707072), (40, 504618688), (56, 360441920), (64, 315386680), (70, 288353536), (80, 252309344), (112, 180220960), (128, 157693340), (140, 144176768), (160, 126154672), (224, 90110480), (256, 78846670), (280, 72088384), (320, 63077336), (448, 45055240), (512, 39423335), (560, 36044192), (640, 31538668), (896, 22527620), (1120, 18022096), (1280, 15769334), (1792, 11263810), (2240, 9011048), (2560, 7884667), (3584, 5631905), (4480, 4505524), (8960, 2252762), (17920, 1126381)]