16692020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 36989568

約数和(自身を除く): 20297548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 277, 460, 524, 554, 655, 1108, 1310, 1385, 2620, 2770, 3013, 5540, 6026, 6371, 12052, 12742, 15065, 25484, 30130, 31855, 36287, 60260, 63710, 72574, 127420, 145148, 181435, 362870, 725740, 834601, 1669202, 3338404, 4173005, 8346010, 16692020]

約数ペア:

[(1, 16692020), (2, 8346010), (4, 4173005), (5, 3338404), (10, 1669202), (20, 834601), (23, 725740), (46, 362870), (92, 181435), (115, 145148), (131, 127420), (230, 72574), (262, 63710), (277, 60260), (460, 36287), (524, 31855), (554, 30130), (655, 25484), (1108, 15065), (1310, 12742), (1385, 12052), (2620, 6371), (2770, 6026), (3013, 5540)]