20529000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2281}}^1$

素因数の和:2308

約数の個数: 96

約数和(自身を含む): 69418440

約数和(自身を除く): 48889440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 2281, 3000, 4500, 4562, 6843, 9000, 9124, 11405, 13686, 18248, 20529, 22810, 27372, 34215, 41058, 45620, 54744, 57025, 68430, 82116, 91240, 102645, 114050, 136860, 164232, 171075, 205290, 228100, 273720, 285125, 342150, 410580, 456200, 513225, 570250, 684300, 821160, 855375, 1026450, 1140500, 1368600, 1710750, 2052900, 2281000, 2566125, 3421500, 4105800, 5132250, 6843000, 10264500, 20529000]

約数ペア:

[(1, 20529000), (2, 10264500), (3, 6843000), (4, 5132250), (5, 4105800), (6, 3421500), (8, 2566125), (9, 2281000), (10, 2052900), (12, 1710750), (15, 1368600), (18, 1140500), (20, 1026450), (24, 855375), (25, 821160), (30, 684300), (36, 570250), (40, 513225), (45, 456200), (50, 410580), (60, 342150), (72, 285125), (75, 273720), (90, 228100), (100, 205290), (120, 171075), (125, 164232), (150, 136860), (180, 114050), (200, 102645), (225, 91240), (250, 82116), (300, 68430), (360, 57025), (375, 54744), (450, 45620), (500, 41058), (600, 34215), (750, 27372), (900, 22810), (1000, 20529), (1125, 18248), (1500, 13686), (1800, 11405), (2250, 9124), (2281, 9000), (3000, 6843), (4500, 4562)]