20045529

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 14422311

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1583, 1809, 4221, 4749, 11081, 12663, 14247, 33243, 42741, 99729, 106061, 299187, 318183, 742427, 954549, 2227281, 2863647, 6681843, 20045529]

約数ペア:

[(1, 20045529), (3, 6681843), (7, 2863647), (9, 2227281), (21, 954549), (27, 742427), (63, 318183), (67, 299187), (189, 106061), (201, 99729), (469, 42741), (603, 33243), (1407, 14247), (1583, 12663), (1809, 11081), (4221, 4749)]