20789747

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 3208717

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1487, 13981, 16357, 46097, 60967, 507067, 670637, 1889977, 20789747]

約数ペア:

[(1, 20789747), (11, 1889977), (31, 670637), (41, 507067), (341, 60967), (451, 46097), (1271, 16357), (1487, 13981)]