20734142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72497}}^1$

素因数の和:72523

約数の個数: 16

約数和(自身を含む): 36538992

約数和(自身を除く): 15804850

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72497, 144994, 797467, 942461, 1594934, 1884922, 10367071, 20734142]

約数ペア:

[(1, 20734142), (2, 10367071), (11, 1884922), (13, 1594934), (22, 942461), (26, 797467), (143, 144994), (286, 72497)]