20987160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174893}}^1$

素因数の和:174907

約数の個数: 32

約数和(自身を含む): 62961840

約数和(自身を除く): 41974680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174893, 349786, 524679, 699572, 874465, 1049358, 1399144, 1748930, 2098716, 2623395, 3497860, 4197432, 5246790, 6995720, 10493580, 20987160]

約数ペア:

[(1, 20987160), (2, 10493580), (3, 6995720), (4, 5246790), (5, 4197432), (6, 3497860), (8, 2623395), (10, 2098716), (12, 1748930), (15, 1399144), (20, 1049358), (24, 874465), (30, 699572), (40, 524679), (60, 349786), (120, 174893)]