20512383

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 27852000

約数和(自身を除く): 7339617

約数列:

[1, 3, 109, 149, 327, 421, 447, 1263, 16241, 45889, 48723, 62729, 137667, 188187, 6837461, 20512383]

約数ペア:

[(1, 20512383), (3, 6837461), (109, 188187), (149, 137667), (327, 62729), (421, 48723), (447, 45889), (1263, 16241)]