20890200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 66580560

約数和(自身を除く): 45690360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 37, 40, 50, 60, 74, 75, 100, 111, 120, 148, 150, 185, 200, 222, 296, 300, 370, 444, 555, 600, 740, 888, 925, 941, 1110, 1480, 1850, 1882, 2220, 2775, 2823, 3700, 3764, 4440, 4705, 5550, 5646, 7400, 7528, 9410, 11100, 11292, 14115, 18820, 22200, 22584, 23525, 28230, 34817, 37640, 47050, 56460, 69634, 70575, 94100, 104451, 112920, 139268, 141150, 174085, 188200, 208902, 278536, 282300, 348170, 417804, 522255, 564600, 696340, 835608, 870425, 1044510, 1392680, 1740850, 2089020, 2611275, 3481700, 4178040, 5222550, 6963400, 10445100, 20890200]

約数ペア:

[(1, 20890200), (2, 10445100), (3, 6963400), (4, 5222550), (5, 4178040), (6, 3481700), (8, 2611275), (10, 2089020), (12, 1740850), (15, 1392680), (20, 1044510), (24, 870425), (25, 835608), (30, 696340), (37, 564600), (40, 522255), (50, 417804), (60, 348170), (74, 282300), (75, 278536), (100, 208902), (111, 188200), (120, 174085), (148, 141150), (150, 139268), (185, 112920), (200, 104451), (222, 94100), (296, 70575), (300, 69634), (370, 56460), (444, 47050), (555, 37640), (600, 34817), (740, 28230), (888, 23525), (925, 22584), (941, 22200), (1110, 18820), (1480, 14115), (1850, 11292), (1882, 11100), (2220, 9410), (2775, 7528), (2823, 7400), (3700, 5646), (3764, 5550), (4440, 4705)]