20657100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1915

約数の個数: 72

約数和(自身を含む): 61416208

約数和(自身を除く): 40759108

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, 1850, 1861, 2220, 2775, 3700, 3722, 5550, 5583, 7444, 9305, 11100, 11166, 18610, 22332, 27915, 37220, 46525, 55830, 68857, 93050, 111660, 137714, 139575, 186100, 206571, 275428, 279150, 344285, 413142, 558300, 688570, 826284, 1032855, 1377140, 1721425, 2065710, 3442850, 4131420, 5164275, 6885700, 10328550, 20657100]

約数ペア:

[(1, 20657100), (2, 10328550), (3, 6885700), (4, 5164275), (5, 4131420), (6, 3442850), (10, 2065710), (12, 1721425), (15, 1377140), (20, 1032855), (25, 826284), (30, 688570), (37, 558300), (50, 413142), (60, 344285), (74, 279150), (75, 275428), (100, 206571), (111, 186100), (148, 139575), (150, 137714), (185, 111660), (222, 93050), (300, 68857), (370, 55830), (444, 46525), (555, 37220), (740, 27915), (925, 22332), (1110, 18610), (1850, 11166), (1861, 11100), (2220, 9305), (2775, 7444), (3700, 5583), (3722, 5550)]