20809005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3359}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17898195

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3359, 6195, 10077, 16795, 23513, 50385, 70539, 117565, 198181, 352695, 594543, 990905, 1387267, 2972715, 4161801, 6936335, 20809005]

約数ペア:

[(1, 20809005), (3, 6936335), (5, 4161801), (7, 2972715), (15, 1387267), (21, 990905), (35, 594543), (59, 352695), (105, 198181), (177, 117565), (295, 70539), (413, 50385), (885, 23513), (1239, 16795), (2065, 10077), (3359, 6195)]