20540835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 41396160

約数和(自身を除く): 20855325

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1069, 1281, 2135, 2745, 3207, 3843, 5345, 6405, 7483, 9621, 16035, 19215, 22449, 37415, 48105, 65209, 67347, 112245, 195627, 326045, 336735, 456463, 586881, 978135, 1369389, 2282315, 2934405, 4108167, 6846945, 20540835]

約数ペア:

[(1, 20540835), (3, 6846945), (5, 4108167), (7, 2934405), (9, 2282315), (15, 1369389), (21, 978135), (35, 586881), (45, 456463), (61, 336735), (63, 326045), (105, 195627), (183, 112245), (305, 67347), (315, 65209), (427, 48105), (549, 37415), (915, 22449), (1069, 19215), (1281, 16035), (2135, 9621), (2745, 7483), (3207, 6405), (3843, 5345)]