20091900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66973}}^1$

素因数の和:66990

約数の個数: 36

約数和(自身を含む): 58133432

約数和(自身を除く): 38041532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66973, 133946, 200919, 267892, 334865, 401838, 669730, 803676, 1004595, 1339460, 1674325, 2009190, 3348650, 4018380, 5022975, 6697300, 10045950, 20091900]

約数ペア:

[(1, 20091900), (2, 10045950), (3, 6697300), (4, 5022975), (5, 4018380), (6, 3348650), (10, 2009190), (12, 1674325), (15, 1339460), (20, 1004595), (25, 803676), (30, 669730), (50, 401838), (60, 334865), (75, 267892), (100, 200919), (150, 133946), (300, 66973)]