20974690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4057}}^1$

素因数の和:4122

約数の個数: 32

約数和(自身を含む): 42073344

約数和(自身を除く): 21098654

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 4057, 5170, 8114, 20285, 40570, 44627, 89254, 190679, 223135, 381358, 446270, 953395, 1906790, 2097469, 4194938, 10487345, 20974690]

約数ペア:

[(1, 20974690), (2, 10487345), (5, 4194938), (10, 2097469), (11, 1906790), (22, 953395), (47, 446270), (55, 381358), (94, 223135), (110, 190679), (235, 89254), (470, 44627), (517, 40570), (1034, 20285), (2585, 8114), (4057, 5170)]