20967900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 62339760

約数和(自身を除く): 41371860

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, 1889, 2220, 2775, 3700, 3778, 5550, 5667, 7556, 9445, 11100, 11334, 18890, 22668, 28335, 37780, 47225, 56670, 69893, 94450, 113340, 139786, 141675, 188900, 209679, 279572, 283350, 349465, 419358, 566700, 698930, 838716, 1048395, 1397860, 1747325, 2096790, 3494650, 4193580, 5241975, 6989300, 10483950, 20967900]

約数ペア:

[(1, 20967900), (2, 10483950), (3, 6989300), (4, 5241975), (5, 4193580), (6, 3494650), (10, 2096790), (12, 1747325), (15, 1397860), (20, 1048395), (25, 838716), (30, 698930), (37, 566700), (50, 419358), (60, 349465), (74, 283350), (75, 279572), (100, 209679), (111, 188900), (148, 141675), (150, 139786), (185, 113340), (222, 94450), (300, 69893), (370, 56670), (444, 47225), (555, 37780), (740, 28335), (925, 22668), (1110, 18890), (1850, 11334), (1889, 11100), (2220, 9445), (2775, 7556), (3700, 5667), (3778, 5550)]