20961900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23291}}^1$

素因数の和:23311

約数の個数: 54

約数和(自身を含む): 65706732

約数和(自身を除く): 44744832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23291, 46582, 69873, 93164, 116455, 139746, 209619, 232910, 279492, 349365, 419238, 465820, 582275, 698730, 838476, 1048095, 1164550, 1397460, 1746825, 2096190, 2329100, 3493650, 4192380, 5240475, 6987300, 10480950, 20961900]

約数ペア:

[(1, 20961900), (2, 10480950), (3, 6987300), (4, 5240475), (5, 4192380), (6, 3493650), (9, 2329100), (10, 2096190), (12, 1746825), (15, 1397460), (18, 1164550), (20, 1048095), (25, 838476), (30, 698730), (36, 582275), (45, 465820), (50, 419238), (60, 349365), (75, 279492), (90, 232910), (100, 209619), (150, 139746), (180, 116455), (225, 93164), (300, 69873), (450, 46582), (900, 23291)]