20848250

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 39508560

約数和(自身を除く): 18660310

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 890, 937, 1874, 2225, 4450, 4685, 9370, 11125, 22250, 23425, 46850, 83393, 117125, 166786, 234250, 416965, 833930, 2084825, 4169650, 10424125, 20848250]

約数ペア:

[(1, 20848250), (2, 10424125), (5, 4169650), (10, 2084825), (25, 833930), (50, 416965), (89, 234250), (125, 166786), (178, 117125), (250, 83393), (445, 46850), (890, 23425), (937, 22250), (1874, 11125), (2225, 9370), (4450, 4685)]