2020500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{449}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 6388200

約数和(自身を除く): 4367700

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, 449, 450, 500, 750, 898, 900, 1125, 1347, 1500, 1796, 2245, 2250, 2694, 4041, 4490, 4500, 5388, 6735, 8082, 8980, 11225, 13470, 16164, 20205, 22450, 26940, 33675, 40410, 44900, 56125, 67350, 80820, 101025, 112250, 134700, 168375, 202050, 224500, 336750, 404100, 505125, 673500, 1010250, 2020500]

約数ペア:

[(1, 2020500), (2, 1010250), (3, 673500), (4, 505125), (5, 404100), (6, 336750), (9, 224500), (10, 202050), (12, 168375), (15, 134700), (18, 112250), (20, 101025), (25, 80820), (30, 67350), (36, 56125), (45, 44900), (50, 40410), (60, 33675), (75, 26940), (90, 22450), (100, 20205), (125, 16164), (150, 13470), (180, 11225), (225, 8980), (250, 8082), (300, 6735), (375, 5388), (449, 4500), (450, 4490), (500, 4041), (750, 2694), (898, 2250), (900, 2245), (1125, 1796), (1347, 1500)]