20977035

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 14923893

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1483, 2829, 4449, 4715, 7415, 14145, 22245, 34109, 60803, 102327, 170545, 182409, 304015, 511635, 912045, 1398469, 4195407, 6992345, 20977035]

約数ペア:

[(1, 20977035), (3, 6992345), (5, 4195407), (15, 1398469), (23, 912045), (41, 511635), (69, 304015), (115, 182409), (123, 170545), (205, 102327), (345, 60803), (615, 34109), (943, 22245), (1483, 14145), (2829, 7415), (4449, 4715)]