20928414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1709}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 45390240

約数和(自身を除く): 24461826

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1709, 2041, 3418, 4082, 5127, 6123, 10254, 12246, 22217, 44434, 66651, 133302, 268313, 536626, 804939, 1609878, 3488069, 6976138, 10464207, 20928414]

約数ペア:

[(1, 20928414), (2, 10464207), (3, 6976138), (6, 3488069), (13, 1609878), (26, 804939), (39, 536626), (78, 268313), (157, 133302), (314, 66651), (471, 44434), (942, 22217), (1709, 12246), (2041, 10254), (3418, 6123), (4082, 5127)]