20481270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29683}}^1$

素因数の和:29716

約数の個数: 32

約数和(自身を含む): 51293952

約数和(自身を除く): 30812682

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29683, 59366, 89049, 148415, 178098, 296830, 445245, 682709, 890490, 1365418, 2048127, 3413545, 4096254, 6827090, 10240635, 20481270]

約数ペア:

[(1, 20481270), (2, 10240635), (3, 6827090), (5, 4096254), (6, 3413545), (10, 2048127), (15, 1365418), (23, 890490), (30, 682709), (46, 445245), (69, 296830), (115, 178098), (138, 148415), (230, 89049), (345, 59366), (690, 29683)]