20164500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4481}}^1$

素因数の和:4506

約数の個数: 72

約数和(自身を含む): 63626472

約数和(自身を除く): 43461972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4481, 4500, 8962, 13443, 17924, 22405, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 112025, 134430, 161316, 201645, 224050, 268860, 336075, 403290, 448100, 560125, 672150, 806580, 1008225, 1120250, 1344300, 1680375, 2016450, 2240500, 3360750, 4032900, 5041125, 6721500, 10082250, 20164500]

約数ペア:

[(1, 20164500), (2, 10082250), (3, 6721500), (4, 5041125), (5, 4032900), (6, 3360750), (9, 2240500), (10, 2016450), (12, 1680375), (15, 1344300), (18, 1120250), (20, 1008225), (25, 806580), (30, 672150), (36, 560125), (45, 448100), (50, 403290), (60, 336075), (75, 268860), (90, 224050), (100, 201645), (125, 161316), (150, 134430), (180, 112025), (225, 89620), (250, 80658), (300, 67215), (375, 53772), (450, 44810), (500, 40329), (750, 26886), (900, 22405), (1125, 17924), (1500, 13443), (2250, 8962), (4481, 4500)]