20871276

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8243}}^1$

素因数の和:8461

約数の個数: 24

約数和(自身を含む): 48936384

約数和(自身を除く): 28065108

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8243, 16486, 24729, 32972, 49458, 98916, 1739273, 3478546, 5217819, 6957092, 10435638, 20871276]

約数ペア:

[(1, 20871276), (2, 10435638), (3, 6957092), (4, 5217819), (6, 3478546), (12, 1739273), (211, 98916), (422, 49458), (633, 32972), (844, 24729), (1266, 16486), (2532, 8243)]