20656475553

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2133713}}^1$

素因数の和:2134184

約数の個数: 16

約数和(自身を含む): 31544827776

約数和(自身を除く): 10888352223

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 2133713, 6401139, 14935991, 44807973, 983641693, 2950925079, 6885491851, 20656475553]

約数ペア:

[(1, 20656475553), (3, 6885491851), (7, 2950925079), (21, 983641693), (461, 44807973), (1383, 14935991), (3227, 6401139), (9681, 2133713)]