20197780653

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{19157}}^1$

素因数の和:19581

約数の個数: 32

約数和(自身を含む): 28966896000

約数和(自身を除く): 8769115347

約数列:

[1, 3, 19, 53, 57, 159, 349, 1007, 1047, 3021, 6631, 18497, 19157, 19893, 55491, 57471, 351443, 363983, 1015321, 1054329, 1091949, 3045963, 6685793, 19291099, 20057379, 57873297, 127030067, 354347029, 381090201, 1063041087, 6732593551, 20197780653]

約数ペア:

[(1, 20197780653), (3, 6732593551), (19, 1063041087), (53, 381090201), (57, 354347029), (159, 127030067), (349, 57873297), (1007, 20057379), (1047, 19291099), (3021, 6685793), (6631, 3045963), (18497, 1091949), (19157, 1054329), (19893, 1015321), (55491, 363983), (57471, 351443)]