20123982

素因数分解:

$2^1\times 3^2\times {\mathrm{241}}^1\times {\mathrm{4639}}^1$

素因数の和:4888

約数の個数: 24

約数和(自身を含む): 43792320

約数和(自身を除く): 23668338

約数列:

[1, 2, 3, 6, 9, 18, 241, 482, 723, 1446, 2169, 4338, 4639, 9278, 13917, 27834, 41751, 83502, 1117999, 2235998, 3353997, 6707994, 10061991, 20123982]

約数ペア:

[(1, 20123982), (2, 10061991), (3, 6707994), (6, 3353997), (9, 2235998), (18, 1117999), (241, 83502), (482, 41751), (723, 27834), (1446, 13917), (2169, 9278), (4338, 4639)]