20438586

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23173}}^1$

素因数の和:23195

約数の個数: 36

約数和(自身を含む): 51515802

約数和(自身を除く): 31077216

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23173, 46346, 69519, 139038, 162211, 208557, 324422, 417114, 486633, 973266, 1135477, 1459899, 2270954, 2919798, 3406431, 6812862, 10219293, 20438586]

約数ペア:

[(1, 20438586), (2, 10219293), (3, 6812862), (6, 3406431), (7, 2919798), (9, 2270954), (14, 1459899), (18, 1135477), (21, 973266), (42, 486633), (49, 417114), (63, 324422), (98, 208557), (126, 162211), (147, 139038), (294, 69519), (441, 46346), (882, 23173)]