2020003780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{883}}^1\times {\mathrm{1069}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 4290511680

約数和(自身を除く): 2270507900

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 883, 1069, 1070, 1766, 2138, 2140, 3532, 4276, 4415, 5345, 8830, 10690, 17660, 21380, 94481, 114383, 188962, 228766, 377924, 457532, 472405, 571915, 943927, 944810, 1143830, 1887854, 1889620, 2287660, 3775708, 4719635, 9439270, 18878540, 101000189, 202000378, 404000756, 505000945, 1010001890, 2020003780]

約数ペア:

[(1, 2020003780), (2, 1010001890), (4, 505000945), (5, 404000756), (10, 202000378), (20, 101000189), (107, 18878540), (214, 9439270), (428, 4719635), (535, 3775708), (883, 2287660), (1069, 1889620), (1070, 1887854), (1766, 1143830), (2138, 944810), (2140, 943927), (3532, 571915), (4276, 472405), (4415, 457532), (5345, 377924), (8830, 228766), (10690, 188962), (17660, 114383), (21380, 94481)]