15421960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16763}}^1$

素因数の和:16797

約数の個数: 32

約数和(自身を含む): 36210240

約数和(自身を除く): 20788280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 16763, 33526, 67052, 83815, 134104, 167630, 335260, 385549, 670520, 771098, 1542196, 1927745, 3084392, 3855490, 7710980, 15421960]

約数ペア:

[(1, 15421960), (2, 7710980), (4, 3855490), (5, 3084392), (8, 1927745), (10, 1542196), (20, 771098), (23, 670520), (40, 385549), (46, 335260), (92, 167630), (115, 134104), (184, 83815), (230, 67052), (460, 33526), (920, 16763)]