20156568171

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{39953}}^1$

素因数の和:40195

約数の個数: 32

約数和(自身を含む): 28997015040

約数和(自身を除く): 8840446869

約数列:

[1, 3, 19, 53, 57, 159, 167, 501, 1007, 3021, 3173, 8851, 9519, 26553, 39953, 119859, 168169, 504507, 759107, 2117509, 2277321, 6352527, 6672151, 20016453, 40232671, 120698013, 126770869, 353624003, 380312607, 1060872009, 6718856057, 20156568171]

約数ペア:

[(1, 20156568171), (3, 6718856057), (19, 1060872009), (53, 380312607), (57, 353624003), (159, 126770869), (167, 120698013), (501, 40232671), (1007, 20016453), (3021, 6672151), (3173, 6352527), (8851, 2277321), (9519, 2117509), (26553, 759107), (39953, 504507), (119859, 168169)]