20639286

素因数分解:

$2^1\times 3^4\times {\mathrm{127403}}^1$

素因数の和:127417

約数の個数: 20

約数和(自身を含む): 46247652

約数和(自身を除く): 25608366

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127403, 254806, 382209, 764418, 1146627, 2293254, 3439881, 6879762, 10319643, 20639286]

約数ペア:

[(1, 20639286), (2, 10319643), (3, 6879762), (6, 3439881), (9, 2293254), (18, 1146627), (27, 764418), (54, 382209), (81, 254806), (162, 127403)]