20985946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5737}}^1$

素因数の和:5829

約数の個数: 16

約数和(自身を含む): 33050880

約数和(自身を除く): 12064934

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5737, 11474, 177847, 338483, 355694, 676966, 10492973, 20985946]

約数ペア:

[(1, 20985946), (2, 10492973), (31, 676966), (59, 355694), (62, 338483), (118, 177847), (1829, 11474), (3658, 5737)]