20854816374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{772229}}^1$

素因数の和:772884

約数の個数: 32

約数和(自身を含む): 47742347520

約数和(自身を除く): 26887531146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 1286, 1929, 3858, 4501, 9002, 13503, 27006, 772229, 1544458, 2316687, 4633374, 5405603, 10811206, 16216809, 32433618, 496543247, 993086494, 1489629741, 2979259482, 3475802729, 6951605458, 10427408187, 20854816374]

約数ペア:

[(1, 20854816374), (2, 10427408187), (3, 6951605458), (6, 3475802729), (7, 2979259482), (14, 1489629741), (21, 993086494), (42, 496543247), (643, 32433618), (1286, 16216809), (1929, 10811206), (3858, 5405603), (4501, 4633374), (9002, 2316687), (13503, 1544458), (27006, 772229)]