20998680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174989}}^1$

素因数の和:175003

約数の個数: 32

約数和(自身を含む): 62996400

約数和(自身を除く): 41997720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174989, 349978, 524967, 699956, 874945, 1049934, 1399912, 1749890, 2099868, 2624835, 3499780, 4199736, 5249670, 6999560, 10499340, 20998680]

約数ペア:

[(1, 20998680), (2, 10499340), (3, 6999560), (4, 5249670), (5, 4199736), (6, 3499780), (8, 2624835), (10, 2099868), (12, 1749890), (15, 1399912), (20, 1049934), (24, 874945), (30, 699956), (40, 524967), (60, 349978), (120, 174989)]