20219025047

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{2087}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 23343505920

約数和(自身を除く): 3124480873

約数列:

[1, 13, 19, 61, 247, 643, 793, 1159, 2087, 8359, 12217, 15067, 27131, 39223, 39653, 127307, 158821, 509899, 515489, 745237, 1341941, 1654991, 2418833, 9688081, 17445233, 25496879, 31444829, 81858401, 331459427, 1064159213, 1555309619, 20219025047]

約数ペア:

[(1, 20219025047), (13, 1555309619), (19, 1064159213), (61, 331459427), (247, 81858401), (643, 31444829), (793, 25496879), (1159, 17445233), (2087, 9688081), (8359, 2418833), (12217, 1654991), (15067, 1341941), (27131, 745237), (39223, 515489), (39653, 509899), (127307, 158821)]