20102100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 59767008

約数和(自身を除く): 39664908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1811, 1850, 2220, 2775, 3622, 3700, 5433, 5550, 7244, 9055, 10866, 11100, 18110, 21732, 27165, 36220, 45275, 54330, 67007, 90550, 108660, 134014, 135825, 181100, 201021, 268028, 271650, 335035, 402042, 543300, 670070, 804084, 1005105, 1340140, 1675175, 2010210, 3350350, 4020420, 5025525, 6700700, 10051050, 20102100]

約数ペア:

[(1, 20102100), (2, 10051050), (3, 6700700), (4, 5025525), (5, 4020420), (6, 3350350), (10, 2010210), (12, 1675175), (15, 1340140), (20, 1005105), (25, 804084), (30, 670070), (37, 543300), (50, 402042), (60, 335035), (74, 271650), (75, 268028), (100, 201021), (111, 181100), (148, 135825), (150, 134014), (185, 108660), (222, 90550), (300, 67007), (370, 54330), (444, 45275), (555, 36220), (740, 27165), (925, 21732), (1110, 18110), (1811, 11100), (1850, 10866), (2220, 9055), (2775, 7244), (3622, 5550), (3700, 5433)]