20758983

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12418617

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 383, 609, 623, 1149, 1869, 2581, 2681, 7743, 8043, 11107, 18067, 33321, 34087, 54201, 77749, 102261, 233247, 238609, 715827, 988523, 2965569, 6919661, 20758983]

約数ペア:

[(1, 20758983), (3, 6919661), (7, 2965569), (21, 988523), (29, 715827), (87, 238609), (89, 233247), (203, 102261), (267, 77749), (383, 54201), (609, 34087), (623, 33321), (1149, 18067), (1869, 11107), (2581, 8043), (2681, 7743)]