20311164

素因数分解:

$2^2\times 3^2\times {\mathrm{433}}^1\times {\mathrm{1303}}^1$

素因数の和:1746

約数の個数: 36

約数和(自身を含む): 51500176

約数和(自身を除く): 31189012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 433, 866, 1299, 1303, 1732, 2598, 2606, 3897, 3909, 5196, 5212, 7794, 7818, 11727, 15588, 15636, 23454, 46908, 564199, 1128398, 1692597, 2256796, 3385194, 5077791, 6770388, 10155582, 20311164]

約数ペア:

[(1, 20311164), (2, 10155582), (3, 6770388), (4, 5077791), (6, 3385194), (9, 2256796), (12, 1692597), (18, 1128398), (36, 564199), (433, 46908), (866, 23454), (1299, 15636), (1303, 15588), (1732, 11727), (2598, 7818), (2606, 7794), (3897, 5212), (3909, 5196)]