20164080381

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1\times {\mathrm{3559}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 28294993920

約数和(自身を除く): 8130913539

約数列:

[1, 3, 23, 69, 157, 471, 523, 1569, 3559, 3611, 10677, 10833, 12029, 36087, 81857, 82111, 245571, 246333, 558763, 1676289, 1861357, 1888553, 5584071, 5665659, 12851549, 38554647, 42811211, 128433633, 292233049, 876699147, 6721360127, 20164080381]

約数ペア:

[(1, 20164080381), (3, 6721360127), (23, 876699147), (69, 292233049), (157, 128433633), (471, 42811211), (523, 38554647), (1569, 12851549), (3559, 5665659), (3611, 5584071), (10677, 1888553), (10833, 1861357), (12029, 1676289), (36087, 558763), (81857, 246333), (82111, 245571)]