20753900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2843}}^1$

素因数の和:2930

約数の個数: 36

約数和(自身を含む): 45668952

約数和(自身を除く): 24915052

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 2843, 3650, 5686, 7300, 11372, 14215, 28430, 56860, 71075, 142150, 207539, 284300, 415078, 830156, 1037695, 2075390, 4150780, 5188475, 10376950, 20753900]

約数ペア:

[(1, 20753900), (2, 10376950), (4, 5188475), (5, 4150780), (10, 2075390), (20, 1037695), (25, 830156), (50, 415078), (73, 284300), (100, 207539), (146, 142150), (292, 71075), (365, 56860), (730, 28430), (1460, 14215), (1825, 11372), (2843, 7300), (3650, 5686)]