20819100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2439

約数の個数: 72

約数和(自身を含む): 62339760

約数和(自身を除く): 41520660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2393, 2900, 4350, 4786, 7179, 8700, 9572, 11965, 14358, 23930, 28716, 35895, 47860, 59825, 69397, 71790, 119650, 138794, 143580, 179475, 208191, 239300, 277588, 346985, 358950, 416382, 693970, 717900, 832764, 1040955, 1387940, 1734925, 2081910, 3469850, 4163820, 5204775, 6939700, 10409550, 20819100]

約数ペア:

[(1, 20819100), (2, 10409550), (3, 6939700), (4, 5204775), (5, 4163820), (6, 3469850), (10, 2081910), (12, 1734925), (15, 1387940), (20, 1040955), (25, 832764), (29, 717900), (30, 693970), (50, 416382), (58, 358950), (60, 346985), (75, 277588), (87, 239300), (100, 208191), (116, 179475), (145, 143580), (150, 138794), (174, 119650), (290, 71790), (300, 69397), (348, 59825), (435, 47860), (580, 35895), (725, 28716), (870, 23930), (1450, 14358), (1740, 11965), (2175, 9572), (2393, 8700), (2900, 7179), (4350, 4786)]