27404020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{195743}}^1$

素因数の和:195759

約数の個数: 24

約数和(自身を含む): 65769984

約数和(自身を除く): 38365964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 195743, 391486, 782972, 978715, 1370201, 1957430, 2740402, 3914860, 5480804, 6851005, 13702010, 27404020]

約数ペア:

[(1, 27404020), (2, 13702010), (4, 6851005), (5, 5480804), (7, 3914860), (10, 2740402), (14, 1957430), (20, 1370201), (28, 978715), (35, 782972), (70, 391486), (140, 195743)]