20612700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 108

約数和(自身を含む): 66462760

約数和(自身を除く): 45850060

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, 619, 666, 740, 900, 925, 1110, 1238, 1332, 1665, 1850, 1857, 2220, 2476, 2775, 3095, 3330, 3700, 3714, 5550, 5571, 6190, 6660, 7428, 8325, 9285, 11100, 11142, 12380, 15475, 16650, 18570, 22284, 22903, 27855, 30950, 33300, 37140, 45806, 46425, 55710, 61900, 68709, 91612, 92850, 111420, 114515, 137418, 139275, 185700, 206127, 229030, 274836, 278550, 343545, 412254, 458060, 557100, 572575, 687090, 824508, 1030635, 1145150, 1374180, 1717725, 2061270, 2290300, 3435450, 4122540, 5153175, 6870900, 10306350, 20612700]

約数ペア:

[(1, 20612700), (2, 10306350), (3, 6870900), (4, 5153175), (5, 4122540), (6, 3435450), (9, 2290300), (10, 2061270), (12, 1717725), (15, 1374180), (18, 1145150), (20, 1030635), (25, 824508), (30, 687090), (36, 572575), (37, 557100), (45, 458060), (50, 412254), (60, 343545), (74, 278550), (75, 274836), (90, 229030), (100, 206127), (111, 185700), (148, 139275), (150, 137418), (180, 114515), (185, 111420), (222, 92850), (225, 91612), (300, 68709), (333, 61900), (370, 55710), (444, 46425), (450, 45806), (555, 37140), (619, 33300), (666, 30950), (740, 27855), (900, 22903), (925, 22284), (1110, 18570), (1238, 16650), (1332, 15475), (1665, 12380), (1850, 11142), (1857, 11100), (2220, 9285), (2476, 8325), (2775, 7428), (3095, 6660), (3330, 6190), (3700, 5571), (3714, 5550)]