20122000

素因数分解:

$2^4\times 5^3\times {\mathrm{10061}}^1$

素因数の和:10084

約数の個数: 40

約数和(自身を含む): 48659832

約数和(自身を除く): 28537832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10061, 20122, 40244, 50305, 80488, 100610, 160976, 201220, 251525, 402440, 503050, 804880, 1006100, 1257625, 2012200, 2515250, 4024400, 5030500, 10061000, 20122000]

約数ペア:

[(1, 20122000), (2, 10061000), (4, 5030500), (5, 4024400), (8, 2515250), (10, 2012200), (16, 1257625), (20, 1006100), (25, 804880), (40, 503050), (50, 402440), (80, 251525), (100, 201220), (125, 160976), (200, 100610), (250, 80488), (400, 50305), (500, 40244), (1000, 20122), (2000, 10061)]