20213100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:664

約数の個数: 108

約数和(自身を含む): 65176384

約数和(自身を除く): 44963284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 148, 150, 180, 185, 222, 225, 300, 333, 370, 444, 450, 555, 607, 666, 740, 900, 925, 1110, 1214, 1332, 1665, 1821, 1850, 2220, 2428, 2775, 3035, 3330, 3642, 3700, 5463, 5550, 6070, 6660, 7284, 8325, 9105, 10926, 11100, 12140, 15175, 16650, 18210, 21852, 22459, 27315, 30350, 33300, 36420, 44918, 45525, 54630, 60700, 67377, 89836, 91050, 109260, 112295, 134754, 136575, 182100, 202131, 224590, 269508, 273150, 336885, 404262, 449180, 546300, 561475, 673770, 808524, 1010655, 1122950, 1347540, 1684425, 2021310, 2245900, 3368850, 4042620, 5053275, 6737700, 10106550, 20213100]

約数ペア:

[(1, 20213100), (2, 10106550), (3, 6737700), (4, 5053275), (5, 4042620), (6, 3368850), (9, 2245900), (10, 2021310), (12, 1684425), (15, 1347540), (18, 1122950), (20, 1010655), (25, 808524), (30, 673770), (36, 561475), (37, 546300), (45, 449180), (50, 404262), (60, 336885), (74, 273150), (75, 269508), (90, 224590), (100, 202131), (111, 182100), (148, 136575), (150, 134754), (180, 112295), (185, 109260), (222, 91050), (225, 89836), (300, 67377), (333, 60700), (370, 54630), (444, 45525), (450, 44918), (555, 36420), (607, 33300), (666, 30350), (740, 27315), (900, 22459), (925, 21852), (1110, 18210), (1214, 16650), (1332, 15175), (1665, 12140), (1821, 11100), (1850, 10926), (2220, 9105), (2428, 8325), (2775, 7284), (3035, 6660), (3330, 6070), (3642, 5550), (3700, 5463)]