20167000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 56010240

約数和(自身を除く): 35843240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 67, 70, 86, 100, 125, 134, 140, 172, 175, 200, 215, 250, 268, 280, 301, 335, 344, 350, 430, 469, 500, 536, 602, 670, 700, 860, 875, 938, 1000, 1075, 1204, 1340, 1400, 1505, 1675, 1720, 1750, 1876, 2150, 2345, 2408, 2680, 2881, 3010, 3350, 3500, 3752, 4300, 4690, 5375, 5762, 6020, 6700, 7000, 7525, 8375, 8600, 9380, 10750, 11524, 11725, 12040, 13400, 14405, 15050, 16750, 18760, 20167, 21500, 23048, 23450, 28810, 30100, 33500, 37625, 40334, 43000, 46900, 57620, 58625, 60200, 67000, 72025, 75250, 80668, 93800, 100835, 115240, 117250, 144050, 150500, 161336, 201670, 234500, 288100, 301000, 360125, 403340, 469000, 504175, 576200, 720250, 806680, 1008350, 1440500, 2016700, 2520875, 2881000, 4033400, 5041750, 10083500, 20167000]

約数ペア:

[(1, 20167000), (2, 10083500), (4, 5041750), (5, 4033400), (7, 2881000), (8, 2520875), (10, 2016700), (14, 1440500), (20, 1008350), (25, 806680), (28, 720250), (35, 576200), (40, 504175), (43, 469000), (50, 403340), (56, 360125), (67, 301000), (70, 288100), (86, 234500), (100, 201670), (125, 161336), (134, 150500), (140, 144050), (172, 117250), (175, 115240), (200, 100835), (215, 93800), (250, 80668), (268, 75250), (280, 72025), (301, 67000), (335, 60200), (344, 58625), (350, 57620), (430, 46900), (469, 43000), (500, 40334), (536, 37625), (602, 33500), (670, 30100), (700, 28810), (860, 23450), (875, 23048), (938, 21500), (1000, 20167), (1075, 18760), (1204, 16750), (1340, 15050), (1400, 14405), (1505, 13400), (1675, 12040), (1720, 11725), (1750, 11524), (1876, 10750), (2150, 9380), (2345, 8600), (2408, 8375), (2680, 7525), (2881, 7000), (3010, 6700), (3350, 6020), (3500, 5762), (3752, 5375), (4300, 4690)]