20559600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5711}}^1$

素因数の和:5735

約数の個数: 90

約数和(自身を含む): 71360016

約数和(自身を除く): 50800416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5711, 11422, 17133, 22844, 28555, 34266, 45688, 51399, 57110, 68532, 85665, 91376, 102798, 114220, 137064, 142775, 171330, 205596, 228440, 256995, 274128, 285550, 342660, 411192, 428325, 456880, 513990, 571100, 685320, 822384, 856650, 1027980, 1142200, 1284975, 1370640, 1713300, 2055960, 2284400, 2569950, 3426600, 4111920, 5139900, 6853200, 10279800, 20559600]

約数ペア:

[(1, 20559600), (2, 10279800), (3, 6853200), (4, 5139900), (5, 4111920), (6, 3426600), (8, 2569950), (9, 2284400), (10, 2055960), (12, 1713300), (15, 1370640), (16, 1284975), (18, 1142200), (20, 1027980), (24, 856650), (25, 822384), (30, 685320), (36, 571100), (40, 513990), (45, 456880), (48, 428325), (50, 411192), (60, 342660), (72, 285550), (75, 274128), (80, 256995), (90, 228440), (100, 205596), (120, 171330), (144, 142775), (150, 137064), (180, 114220), (200, 102798), (225, 91376), (240, 85665), (300, 68532), (360, 57110), (400, 51399), (450, 45688), (600, 34266), (720, 28555), (900, 22844), (1200, 17133), (1800, 11422), (3600, 5711)]