20178984537

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1291}}^1\times {\mathrm{59887}}^1$

素因数の和:61213

約数の個数: 24

約数和(自身を含む): 30176365440

約数和(自身を除く): 9997380903

約数列:

[1, 3, 9, 29, 87, 261, 1291, 3873, 11619, 37439, 59887, 112317, 179661, 336951, 538983, 1736723, 5210169, 15630507, 77314117, 231942351, 695827053, 2242109393, 6726328179, 20178984537]

約数ペア:

[(1, 20178984537), (3, 6726328179), (9, 2242109393), (29, 695827053), (87, 231942351), (261, 77314117), (1291, 15630507), (3873, 5210169), (11619, 1736723), (37439, 538983), (59887, 336951), (112317, 179661)]