20430993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 31628160

約数和(自身を除く): 11197167

約数列:

[1, 3, 11, 29, 33, 37, 87, 111, 319, 407, 577, 957, 1073, 1221, 1731, 3219, 6347, 11803, 16733, 19041, 21349, 35409, 50199, 64047, 184063, 234839, 552189, 619121, 704517, 1857363, 6810331, 20430993]

約数ペア:

[(1, 20430993), (3, 6810331), (11, 1857363), (29, 704517), (33, 619121), (37, 552189), (87, 234839), (111, 184063), (319, 64047), (407, 50199), (577, 35409), (957, 21349), (1073, 19041), (1221, 16733), (1731, 11803), (3219, 6347)]