20758544

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21269}}^1$

素因数の和:21338

約数の個数: 20

約数和(自身を含む): 40880940

約数和(自身を除く): 20122396

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21269, 42538, 85076, 170152, 340304, 1297409, 2594818, 5189636, 10379272, 20758544]

約数ペア:

[(1, 20758544), (2, 10379272), (4, 5189636), (8, 2594818), (16, 1297409), (61, 340304), (122, 170152), (244, 85076), (488, 42538), (976, 21269)]