20403900321

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2352577}}^1$

素因数の和:2352653

約数の個数: 24

約数和(自身を含む): 32183267040

約数和(自身を除く): 11779366719

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 8673, 2352577, 7057731, 16468039, 49404117, 115276273, 138802043, 345828819, 416406129, 971614301, 2914842903, 6801300107, 20403900321]

約数ペア:

[(1, 20403900321), (3, 6801300107), (7, 2914842903), (21, 971614301), (49, 416406129), (59, 345828819), (147, 138802043), (177, 115276273), (413, 49404117), (1239, 16468039), (2891, 7057731), (8673, 2352577)]