20544015

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6491}}^1$

素因数の和:6710

約数の個数: 16

約数和(自身を含む): 33031296

約数和(自身を除く): 12487281

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6491, 19473, 32455, 97365, 1369601, 4108803, 6848005, 20544015]

約数ペア:

[(1, 20544015), (3, 6848005), (5, 4108803), (15, 1369601), (211, 97365), (633, 32455), (1055, 19473), (3165, 6491)]